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
Oh, I just wanted to see your baby, Max.
噢， 我只是想看看你的宝贝， Max。
I'd like to make an appointment with Mrs. Green.
我想约个时间见格林女士。
It's already in transit.
已经在运输中了。