Seal cover
[化] 密封压盖
🧩 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
We'll tell you the big surprise.
我来告诉你们这个大惊喜。
Liberty often degenerates into lawlessness.
自由随便，经常堕落到无法无天。
No, not very. You need a driving permit. Have you got one?
不，不很贵。你需要一个驾驶执照。你有没有？