| 释义 |
seal¹ /sil; siːl/
n [C]
1 an animal that has smooth fur, eats fish and lives by the sea in cold areas 海豹
2 a piece of paper or plastic that you break to open a container 〔容器的〕封条，密封纸:
Do not use this product if the seal on the bottle is broken. 如瓶口的密封纸破损，请勿使用本品。
3 a piece of WAX, paper, or metal with an official mark that is put on documents to prove that they are legal or official 印章，印鉴; 图章:
The letter had the seal of the Department of Justice at the top. 这封信的上方盖有司法部的印章。
4 a piece of rubber or plastic on a pipe, machine or container that prevents liquid or air going into or out of it 〔管子、机器或容器的〕密封件，密封装置
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