purity
/ˈpjʊərəti/ (bre, ipa) · /ˈpjʊrəti/ (ame, ipa) · /ˈpyu̇r-ə-tē/ (ame, mw)
purity — 名詞
1. the state of a substance being free from other materials that have been added or
純度
未摻入其他物質的程度
the state of a substance being free from other materials that have been added or mixed into it, especially when its quality or value is being judged.
The lab confirmed the purity of the gold before the jeweller bought it.
實驗室在珠寶商買下那批黃金前，先確認了它的純度。
purity of a substance before sale
Engineers tested the oxygen's purity after changing the hospital tank.
工程師更換醫院氧氣槽後，檢測了氧氣的純度。
test the purity of a stored substance
A drop of tap water can lower the purity of the chemical sample.
一滴自來水就可能降低這份化學樣本的純度。
The factory rejects milk powder if its purity falls below the legal limit.
如果奶粉的純度低於法定標準，工廠就會退貨。
- concentration
used when the focus is how much of one substance is present in a mixture
- fineness
used especially for precious metals to show how much pure metal they contain
- impurity
an unwanted substance mixed into something else
- contamination
stress on pollution by something harmful or dirty
用法筆記
Often follows 'of' plus the substance being measured. This sense is common in science, food, and trade when people compare quality by how little extra material is mixed in.
常見錯誤
2. the smooth and exact quality of a voice, note, or other sound when it is clear a
清亮
聲音清楚而沒有雜質的特質
the smooth and exact quality of a voice, note, or other sound when it is clear and has nothing rough or out of tune in it.
The violinist's purity of tone held the hall completely still.
那位小提琴手音色的清亮，讓整個大廳都安靜下來。
purity of tone
Even in the high notes, Sayaka's voice kept its purity.
就連唱高音時，Sayaka 的聲音依然保持清亮。
keep purity in the high notes
The old recording lacks the purity you hear in the live concert.
那份老錄音沒有現場演出裡那種清亮感。
Anjali's flute had a purity that rose above the noisy crowd.
Anjali 的長笛聲清亮得連嘈雜的人群都蓋不住。
- harshness
a rough, unpleasant quality in the sound
- distortion
a change that makes the sound less accurate or clean
用法筆記
Used mostly for music, singing, and carefully controlled sounds. It often appears in phrases like 'purity of tone' or 'purity of voice', where the focus is on the sound staying clean and accurate.
3. the condition of food, water, air, or another thing being clean and safe because
潔淨度
乾淨且不含有害物質的程度
the condition of food, water, air, or another thing being clean and safe because it contains no harmful substance.
Residents marched to demand the purity of the town's drinking water.
居民上街遊行，要求政府確保鎮上飲用水的潔淨度。
purity of drinking water
The charity checks the purity of baby milk in refugee camps.
那個慈善機構會檢查難民營裡嬰兒奶粉的潔淨度。
check the purity of food
After the fire, inspectors doubted the purity of the air indoors.
火災過後，檢查人員懷疑室內空氣的潔淨度。
Parents worry about the purity of fruit sold beside the highway.
家長會擔心公路邊販售水果的潔淨度。
- cleanliness
more everyday and general; purity stresses the absence of harmful matter
- safety
focuses on risk to health, not on the physical state itself
- pollution
damage caused by harmful substances in the environment
- contamination
mixing with something harmful, dirty, or unsafe
用法筆記
This sense focuses on health and safety rather than on exact chemical measurement. It is especially common with water, air, food, and medicines that people may consume or breathe in.
4. moral cleanness, or a person's not having had sex, especially in religious or tr
純潔
道德上的清白或守貞狀態
moral cleanness, or a person's not having had sex, especially in religious or traditional contexts.
The novel treats purity as a virtue that society forces on girls.
那本小說把純潔寫成社會強加在女孩身上的一種美德。
purity as a moral virtue
Some families still link purity with obedience before marriage.
有些家庭至今仍把婚前的純潔和順從連在一起。
purity before marriage
The monk spoke about purity of mind before the morning prayer.
那位僧侶在晨禱前談到心靈的純潔。
After years abroad, Esteban no longer saw purity as sexual innocence.
在國外住了幾年後，Esteban 不再把純潔看成性方面的純真。
- corruption
moral damage or decay in a person or system
- immorality
behaviour seen as wrong by moral standards
用法筆記
Often used in moral, religious, or traditional discussions. In some contexts it means general moral goodness, while in others it refers more specifically to a person's not having had sex.