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
No one knows for certain what happened, but it's a fair bet that it was not an accident.
没有人知道究竟发生了什么，但几乎可以肯定这并非意外。
The doctor said I looked pale.
医生说我看起来很苍白。
You're really killing me!
真是笑死我了！