Petroleum crude oil
[化] 石油原油
🧩 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
I never really thought about being a mother as a career.
我真的从来没有想到做母亲还是一种事业。
Would you please tell Mr. Cooper I called?
请您告诉库珀先生我打电话了？
Then knowledge began to be accumulated according to a systematic plan.
于是，知识便开始有系统有计划地积累起来。