Microimpurity
[化] 微量杂质
🗣️ 情景例句
Could you please give me a receipt?
给我一张发票。
It is said it will clear up tonight.
天气预报说今晚雨就会停。
And then quickly and quietly we did just that.
于是，我们就迅速而且悄悄地干了起来。