Dithiooxamide
[建] 二硫代草酰氨
🗣️ 情景例句
Where there's smoke, there's fire.
事出必有因，无风不起浪。
It is easier to descend than to ascend.
下降容易上升难。
Most business letters around the world are written in English.
世界上大多数商务信函都是用英语写的。