bilaterally
bilaterally — 副詞
1. Done through the direct participation of two countries, organizations, or groups
雙邊地
涉及兩國或兩個團體
Done through the direct participation of two countries, organizations, or groups — especially when they negotiate or reach an agreement together.
The two neighbouring countries agreed to resolve their border dispute bilaterally rather than through the United Nations.
這兩個鄰國同意以雙邊方式解決邊界爭端，而非透過聯合國。
resolve [dispute] bilaterally — between two parties
Constanza and the Korean firm negotiated bilaterally for eight months before signing the final contract.
Constanza 與那家韓國公司進行了八個月的雙邊談判，才簽下最終合約。
negotiate bilaterally with [company/country]
Trade was conducted bilaterally between Brazil and India, bypassing the larger regional bloc.
巴西與印度之間以雙邊方式進行貿易，繞過了更大的區域聯盟。
The two national libraries agreed bilaterally to share digital archives and rare book collections.
這兩所國家圖書館達成雙邊協議，共享數位典藏與古籍善本。
Sana and the Vietnamese publisher negotiated bilaterally to distribute the translated novels across Southeast Asia.
Sana 與那家越南出版社進行雙邊協商，要在東南亞各地發行翻譯小說。
- mutually
broader — can describe any shared action or feeling, not limited to exactly two parties
- reciprocally
more formal; emphasises equal exchange or return action
- unilaterally
done by one side alone without agreement from the other
- multilaterally
involving three or more parties
文法句型
[verb] bilaterally
bilaterally [agreement/negotiation/trade]
用法筆記
Common in formal and political contexts. Often paired with verbs like 'negotiate', 'resolve', 'agree', and nouns like 'agreement', 'talks', 'relations'.
常見錯誤
2. Involving both halves of the body — the left half and the right half — at the sa
兩側地
身體兩側
Involving both halves of the body — the left half and the right half — at the same time, or both members of a paired organ such as the ears or kidneys.
After the stroke, doctors checked the patient bilaterally for any difference in strength between his left arm and right arm.
中風之後，醫師檢查了病人雙側手臂的力量是否有差異。
checked [patient] bilaterally — both sides of body
Piotr's hearing was tested bilaterally, and the results showed normal function in both ears.
Piotr 接受了雙側聽力測試，結果顯示兩耳功能皆正常。
The surgeon examined the lymph nodes bilaterally before deciding on the treatment plan.
外科醫師在決定治療方案前，先雙側檢查了淋巴結。
Brain activity was recorded bilaterally, revealing similar patterns in both hemispheres.
大腦活動被雙側記錄下來，顯示兩個半球有相似的活動模式。
The physiotherapist instructed Bao to perform the leg stretches bilaterally to build equal strength.
物理治療師指示 Bao 雙側進行腿部伸展運動，以建立相等的力量。
- on both sides
less formal, everyday alternative
- symmetrically
emphasises mirror-image arrangement rather than involvement of both sides
- unilaterally
affecting only one side of the body
文法句型
[verb] bilaterally
bilaterally symmetrical
affected bilaterally
用法筆記
Frequently used in medical reports and anatomical descriptions. The opposite is 'unilaterally' (affecting one side only).
bilaterally — 形容詞
- bilaterallypositive
- more bilaterallycomparative
- most bilaterallysuperlative
1. Involving two countries, organizations, or people who have agreed to work togeth
雙邊的
涉及雙方的
Involving two countries, organizations, or people who have agreed to work together or have a shared responsibility toward each other.
Japan and Australia signed a bilateral trade deal that lowered tariffs on beef and cars.
日本與澳洲簽署了一項雙邊貿易協議，降低牛肉與汽車的關稅。
bilateral trade deal / agreement
The two leaders held bilateral talks in Jakarta to discuss regional security.
兩位領袖在雅加達舉行雙邊會談，討論區域安全問題。
A bilateral contract means both parties must fulfil their promises or face legal consequences.
雙邊合約意味著雙方都必須履行承諾，否則將面臨法律後果。
Faisal represented his company in bilateral negotiations with the German supplier.
Faisal 代表他的公司與德國供應商進行雙邊談判。
The bilateral relationship between the two neighbours improved after the new bridge was built.
新建橋樑完工後，這兩個鄰國之間的雙邊關係有所改善。
- unilateral
done by one side only
- multilateral
involving three or more sides
文法句型
bilateral [noun]
[noun] is bilateral
用法筆記
The most frequent sense of the word. Distinguish from 'multilateral' (three or more parties) and 'unilateral' (one party acting alone).
常見錯誤
2. Having two sides, surfaces, or aspects that can be looked at or considered separ
雙面的
有雙面的
Having two sides, surfaces, or aspects that can be looked at or considered separately.
The ancient coin was bilateral, with the emperor's face on one side and a war scene on the other.
這枚古幣是雙面的，一面是皇帝的臉像，另一面是戰爭場景。
bilateral coin — two distinct sides
A bilateral leaf has an upper surface that catches sunlight and a lower surface with tiny air holes.
雙面葉片的上表面吸收陽光，下表面則有微小的氣孔。
The restaurant's menu was bilateral — the lunch specials were listed on one side and dinner options on the other.
那家餐廳的菜單是雙面的——午餐特餐列在一面，晚餐選項列在另一面。
The silk scarf was bilateral — printed with floral patterns on one side and plain maroon on the other.
那條絲巾是雙面的——一面是花卉圖案，另一面是純栗紅色。
- two-sided
more common and less formal
- double-faced
can describe fabrics or materials usable on either side
- one-sided
having only one side or surface
文法句型
bilateral [noun]
用法筆記
This sense refers to physical objects with two distinct sides, not to relationships between parties. It is less common than sense 1.
3. Concerning both halves of the body — the left half and the right half — or both
雙側的
身體兩側的
Concerning both halves of the body — the left half and the right half — or both parts of a paired organ such as the ears, kidneys, or lungs.
The MRI revealed bilateral damage to the frontal lobes of the brain.
核磁共振顯示大腦額葉有雙側損傷。
bilateral damage to [body part]
Putri was diagnosed with bilateral knee arthritis after complaining of pain in both legs.
Putri 在抱怨雙腿疼痛後，被診斷出雙側膝關節炎。
Bilateral hearing aids were fitted to help the patient hear equally from both sides.
病人配戴了雙側助聽器，以幫助雙耳獲得同等的聽力。
The doctor noted bilateral swelling in the ankles and prescribed rest for both feet.
醫師注意到腳踝有雙側腫脹，建議雙腳休息。
Tamar's bilateral arm fracture meant she could not use either hand for several weeks.
Tamar 的雙側手臂骨折使她好幾個星期都無法使用任何一隻手。
- two-sided
less formal but less precise in medical contexts
- both-sided
informal, not used in medical writing
- unilateral
affecting only one side of the body
文法句型
bilateral [body part]
bilateral [condition]
用法筆記
Common in medical diagnoses. The opposite term is 'unilateral' (affecting one side only). Do not confuse with sense 4 (bilateral symmetry in biology).
4. Having a body shape or structure where the left half and the right half are mirr
左右對稱的
左右互為鏡像
Having a body shape or structure where the left half and the right half are mirror images of each other along a central line.
Butterflies have a bilateral body plan — the pattern on the left wing matches the right wing exactly.
蝴蝶具有左右對稱的身體結構——左翅的圖案與右翅完全相同。
bilateral body plan — mirror symmetry
Most animals that move actively, from fish to humans, are bilaterally symmetrical rather than radially symmetrical.
大多數會主動移動的動物，從魚類到人類，都是左右對稱而非輻射對稱。
The biology textbook explained that crabs display bilateral symmetry, with a matching claw on each side.
生物課本解釋螃蟹呈左右對稱，兩側各有一隻相配的螯。
A bilateral animal can be split into two matching halves by a single cut down the middle of its body.
左右對稱的動物可以從身體中線一刀切成兩個相配的半邊。
Kofi drew a diagram showing how a bilateral animal like a beetle has matching legs on the left and right.
Kofi 畫了一張圖，說明甲蟲這類左右對稱的動物左右兩側有相配的腿。
- bilaterally symmetrical
the full adjectival phrase more commonly used in biology
- radially symmetrical
having symmetry around a central point (e.g. starfish, jellyfish)
- asymmetrical
having no symmetry at all
文法句型
bilateral symmetry
[organism] is bilateral
用法筆記
This is a technical term in biology. The noun form 'bilateral symmetry' is more common than the adjective alone. Animals with bilateral symmetry are called 'bilaterians'.