Circulating oil system
[化] 循环润滑系统
🧩 词语组成解析
a. 循环的, 流通的\\n[经] 流动
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
He really hates shopping but he goes anyway, and take his medicine like man.
他实在讨厌买东西，但还是硬着头皮去了。
Which one is the longest river in China?
中国哪条河流最长？
'I'm hanging this picture on the wall,' I answered.
我正将图片挂到墙上去呢，我回答