Watch(-maker's) oil
[化] 钟表润滑油
🧩 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
It's unsafe for girls to go out alone at night.
女孩子晚上一个人外出很危险的。
There must be someone behind the door.
门后必然有人在。
Where are the balls?
球在哪里？