Oil seal
[化] 油封
🧩 词语组成解析
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
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
But we can!
但我们能！
When it started raining, I was reading books.
当开始下雨的时候，我再看书。
Sally was very excited because she had never travelled on a train before.
萨莉非常激动，因为她从未乘过火车。