Mechanical seal
[化] 机械密封; 端面密封
🧩 词语组成解析
seal
[sil]
n. 密封;印章;海豹;封条;
v. 密封;盖章;决定;封上（信封）;
🗣️ 情景例句
We'd like to give thanks for meeting Susan
我们要感谢认识了Susan
Are you going to use cash or traveller's cheques?
您是用现钞换呢，还是用旅行支票换？
When they got home, Jane cooked their dinner in the microwave oven and without realizing it, cooked her fiance's wallet as well.
回家后，简用微波炉煮了晚饭，无意中之中把她未婚夫的钱包也一起煮了。