seal

/siːl/ (bre, ipa) · [sˈil] /siːl/ (ame, ipa) · [sˈil] /ˈsēl/ (ame, mw)

seal — 名詞

  • sealsingular
  • sealsplural

1. a large grey sea mammal that has smooth skin, short fur, and flat limbs called f

1.名詞B2
釋義

海豹

有鰭狀肢的海洋哺乳動物

a large grey sea mammal that has smooth skin, short fur, and flat limbs called flippers that help it swim, and that lives in water but hauls itself up onto beaches or sheets of frozen sea to rest

例句

A seal popped its head above the water near the fishing boat.

一隻海豹從漁船附近的水面探出頭來。

Léa watched a seal sunbathing on a rocky beach during her trip.

Léa 在旅行時看到一隻海豹在岩石海灘上曬太陽。

collocation: a seal sunbathing / a seal on the beach

同義詞
  • sea lion

    a different group of pinnipeds with visible ear flaps and the ability to walk on land

  • walrus

    a large Arctic pinniped with long tusks, not a true seal

用法筆記

Frequently used with species names: 'grey seal', 'harbour seal', 'elephant seal'. The young are called 'pups'.

常見錯誤

A sealion sat on the rock' (when you mean the animal with ear flaps).
A sea lion sat on the rock, and a seal lay next to it.
💡Sea lions have visible ear flaps and can walk on land; true seals have no ear flaps and wiggle on their bellies.

2. a ring or strip made of rubber, plastic, or metal that fits between two surfaces

2.名詞
釋義

密封墊

防止液體或氣體漏出的環狀裝置

a ring or strip made of rubber, plastic, or metal that fits between two surfaces where pipes or openings meet, preventing the movement of liquid or gas from one side to the other

例句

The plumber replaced the rubber seal around the kitchen tap.

水電工更換了廚房水龍頭周圍的橡膠密封墊。

collocation: rubber seal

A broken seal on the freezer door caused ice to build up inside.

冷凍庫門的密封墊破損,導致內部結冰。

同義詞
  • gasket

    a mechanical seal between two flat surfaces, usually in an engine or pipe joint

  • washer

    a flat ring used to distribute pressure or prevent leakage in a screw or tap

  • O-ring

    a circular seal with a round cross-section, used in hydraulic systems

用法筆記

Commonly used in the context of plumbing, cooking, and vehicle parts ('door seal', 'window seal'). The material (rubber, silicone, metal) is usually specified.

3. a thin sheet of paper, plastic, or metal fitted across the mouth of a bottle, ja

3.名詞
釋義

封條

容器開口處須破壞才能開啟的密封物

a thin sheet of paper, plastic, or metal fitted across the mouth of a bottle, jar, or box, designed to be torn or cut away before you can take out what is inside, and serving as evidence that the item has not been used or tampered with

例句

Sahil broke the plastic seal and opened the bottle of mineral water.

Sahil 撕開塑膠封條,打開那瓶礦泉水。

collocation: break the seal

The safety seal on the medicine bottle was still intact when it arrived.

藥瓶上的安全封條送達時仍然完好無損。

collocation: safety seal

同義詞
  • lid

    a removable or hinged cover, not designed to show tampering

  • cap

    a small lid that screws or snaps onto a bottle, often covering a seal underneath

  • wrapper

    a paper or plastic covering that may or may not serve as a tamper indicator

用法筆記

Often called 'safety seal' or 'tamper-evident seal'. Found on food containers, medicine bottles, and drink bottles. The seal is designed so that it cannot be removed without leaving visible damage.

常見錯誤

I opened the seal and drank the water.
I broke the seal and drank the water.
💡'Break the seal' is the natural collocation for opening a sealed container for the first time.

4. an official design or stamp pressed onto a document, sometimes using wax or ink,

4.名詞
釋義

印章;印鑑

證明文件真實性或合法性的官方標記

an official design or stamp pressed onto a document, sometimes using wax or ink, to prove that it is authentic, legal, or approved by an authority

例句

The contract had a red wax seal from the mayor's office.

那份合約上有市長辦公室的紅色蠟封。

collocation: wax seal

Feng stamped the company seal at the bottom of the agreement page.

Feng 在協議書頁面底部蓋上公司印章。

同義詞
  • stamp

    a rubber device that prints ink onto paper; less formal than a wax or embossed seal

  • emblem

    a symbolic design representing an organisation, not used for authentication

  • insignia

    a badge or symbol of office or membership, usually on clothing or flags

用法筆記

Frequently used with 'wax seal' (a traditional method using melted wax) or 'company seal' (a rubber stamp that imprints a logo or name). The phrase 'under seal' means a document has been formally authenticated.

常見錯誤

Please put your seal signature here.
Please put your seal here.
💡A seal is pressed or stamped, not signed. If you mean a handwritten name, use 'signature'.

5. a soldier belonging to a specially trained US Navy unit whose members carry out

5.名詞
釋義

海豹部隊

美國海軍特種部隊成員

a soldier belonging to a specially trained US Navy unit whose members carry out dangerous missions across oceans, skies, and battlefields; 'SEAL' is an acronym whose letters stand for operations on the Sea, in the Air, and on Land

例句

Linh's cousin trained for two years to become a Navy SEAL.

Linh 的表哥受訓兩年,成為一名海豹部隊隊員。

collocation: become a Navy SEAL

A Navy SEAL team rescued the hostages during the night.

一支海豹部隊小組在夜間救出了人質。

collocation: Navy SEAL team

同義詞
  • special forces soldier

    a general term for an elite soldier, not specific to the US Navy

  • commando

    a soldier trained for quick, surprise attacks; more general than Navy SEAL

用法筆記

Always capitalised as 'Navy SEAL' or 'SEAL'. Refers to a specific US military unit (Naval Special Warfare Development Group). In other countries, similar units have different names.

常見錯誤

He joined the navy seal team.
He joined a Navy SEAL team.
💡'Navy SEAL' is a proper noun and should be capitalised.

seal — 動詞