Thioformin
硫甲酰素, 羟基甲基甲硫酰胺
🗣️ 情景例句
I'm not really sure.
我不是太有把握。
When is the most convenient time for you?
你在什么时间最方便呢？
You go to the school office and telephone the police. Please hurry up!
“你去学校办公室给警察打电话。请快一点！快点！”