Oil harderling
[机] 油硬化
🧩 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
He's your best man.
他是男傧相呀。
What for?
何必呢？
People are always talking about 'the problem of youth'.
人们总是在谈论“青年问题”。