seals
音標發(fā)音
- 美式音標 [si:lz]
基本解釋
- n.封條；印章
- n.海豹
- v.密封；蓋??；明確
詞源解說
- 1230年左右進入英語，直接源自古法語的seel；最初源自通俗拉丁語的sigellum，意爲把設計圖案印在蠟上。
用法辨析
- seal用作名詞時的意思是“印章”,轉化爲動詞的意思是“蓋章於…上”,引申可表示“封”“封口”“封住”“最後確定”等。
- seal衹用作及物動詞,接名詞、代詞作賓語。
- seal作動詞指“密封”時，可以用seal the letter或seal the envelope表示“把信件密封”。
v. (動詞)
英漢例句
- They saw many seals off the Coast of Alaska.
他們在阿拉斯加海岸外看見很多海豹。 - She sealed the letter.
她把信封上了。
用作名詞 (n.)
用作動詞 (v.)
用作及物動詞: S+～+ n./pron.
詞組短語
- affix 〔stamp〕 a seal 蓋章
- break 〔take off〕 a seal 啓封
- engrave a seal 刻圖章
- pass the seal 蓋有圖章
- put the seal on 在…封口処打上封印
用作名詞 (n.)
動詞+～
英英字典
- When you seal an envelope, you close it by folding part of it over and sticking it down, so that it cannot be opened without being torn.
- If you seal a container or an opening, you cover it with something in order to prevent air, liquid, or other material from getting in or out. If you seal something in a container, you put it inside and then close the container tightly.
- The seal on a container or opening is the part where it has been sealed.
- A seal is a device or a piece of material, for example, in a machine, which closes an opening tightly so that air, liquid, or other substances cannot get in or out.
- A seal is something such as a piece of sticky paper or wax that is fixed to a container or door and must be broken before the container or door can be opened.
- A seal is a special mark or design, for example, on a document, representing someone or something. It may be used to show that something is genuine or officially approved.
- If someone in authority seals an area, they stop people entering or passing through it, for example, by placing barriers in the way.
- Seal off means the same as .
- To seal something means to make it definite or confirm how it is going to be.
- to affix a seal to, as proof of authenticity
- A seal is a large animal with a rounded body and flat legs called flippers. Seals eat fish and live in and near the sea, usually in cold parts of the world.
- to hunt for seals
柯林斯英英字典
專業(yè)釋義
- 密封
Therefore,the standard was to serve as a guide to manufacturing seals based on what was working in actual services.
因此,對機械密封生産廠家有重要的指導作用。文學
- 館藏圖章
- 海豹[鰭腳目 (pinnipedia) 水生哺乳動物]
- 海豹科
- 封印