Vacuum seal
[化] 真空密封
🧩 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
When I say something, I mean it.
我说的一定会兑现。
That is a serious matter.
那是件严重的事。
Good morning, class! Who is on duty today?
同学们，早上好！今天谁值日？