Hard vacuum seal
[化] 强真空密封
🧩 词语组成解析
hard
[hɑrd]
adj. 困难的;硬的;有力的;努力的;
adv. 努力地;猛力地;严重地;沉重地;
n. 英〉硬海滩，登陆处;
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
Well, how was everybody's day today?
喂 ，今天各位过得怎么样？
If he doesn't, will you paint it?
如果他不，你会油漆它吗？
I'll be more careful next time.
我下次要更小心一些。