Return oil system
[化] 废油的回流系统
🧩 词语组成解析
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
You have been working on this for some time, Richard.
你从事这工作已有一段时间了， Richard。
He who likes borrowing dislikes paying.
爱借钱者不爱还钱。
I waited till he came near, then I asked him the way to our old village.
等他走近了，问他去老家的路。