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
that you care about me, and
关心我而且，
This window is just as high as thsat one.
这扇窗户刚好和那扇一样高。
You need to workout.
你需要去运动锻炼一下。