Machining oil
[化] 切削油
🧩 词语组成解析
[机] 机制
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
Grandpa.
爷爷。
He is attending a morning intensive course four hours a day, six days a week.
他每周六早晨都上一门4小时的速成课。
I've been here before.
我以前来过这里。