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
It is OK to ask children how old they are.
问小孩多大了是可以的。
The athletes competed for the honor of their country.
选手们为了国家的荣誉而互相竞赛。
The film was set in California in the middle of the nineteenth century.
这部影片是以19世纪中叶加利福尼亚为背景的。