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
Then, when shall we sign the contract?
那么，我们什么时候签合同？
Turn left at the first light. You can't miss it.
到第一排红绿灯处往左拐。你不会找不找的。
It was not yet light, so it was easy to stay hidden.
天还没亮，所以很容易隐蔽。