Commercial lubricating oil
[建] 商品润滑油
🧩 词语组成解析
润滑的
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
Dad works hard, and he works late.
爸爸工作忙， 而且忙到很晚。
Children are the parents's riches.
子女是父母之财富。
They lived there before they came to China.
在他们来中国前。