Seal by sleeve
[化] 套管密封
🧩 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）;
by
[baɪ]
prep. 在…旁边;表示方式;由于;经过;
adv. 经过;表示保留或保存时用;短暂拜访;
sleeve
[sliv]
n. [机]套筒，套管;袖子，袖套;唱片套;
vt. 给…装袖子;给…装套筒;
🗣️ 情景例句
That's what I thought.
我就是这么想的。
When you're learning to drive, having a good teacher makes all the difference.
初学驾驶有好的教师指导，差别很大。
He was just falling asleep when there was a loud knock at the door.
他刚要入睡，就有人很响地敲门。