Ractinomycin
近放线菌素
🗣️ 情景例句
I've been thinking.
我一直在考虑。
First, I coundn't keep up with all the paperwork at the office.
首先我应付不了办公室的文书工作。
The guest who arrives half an hour too soon is the greatest nuisance.
客人提前半小时到达是令人讨厌的。