Dithiourethane
[化] 二硫代氨基甲酸乙酯
🗣️ 情景例句
We talk about him at dinner time.
我们吃晚餐时总谈起他。
There are three terms in a school year.
一学年有三个学期。
What kind of music does he sing?
他演唱哪种音乐？