Pentazdiene
五氮二烯
??? 情景例句
But what about your friends?
但你的朋友怎么辦？
Take a closer look!
你給我看清楚一點(diǎn)！
Since I'm here, I'd like to try a typical dish of this country.
既然來了，我想吃這個國家特有的食物。