Diazotizating
重氮化的
🗣️ 情景例句
then you've got to smile first.
你就得先笑一笑。
Could you tell me where is the bus stop?
你能不能告诉我公共汽车站在哪里？
Sorry. I'm free every day except today.
对不起。我每天都有空，唯独今天没空。