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
I love you.
我爱你。
Laugh before breakfast you'll cry before supper.
乐极生悲。
He set up a fine example to all of us.
他为我们树立了一个好榜样。