Erucic
acid 【化学】芥(子)酸
🗣️ 情景例句
Frankly, I thought they'd be here, but ...
老实说 我原以为他们会在这儿 但……
I'd say yor're about twenty-three.
我猜你大约23岁。
I wanted to ask Chen Wei too, but he's away.
我也想请陈伟，但他外出了。