Dithiooxamide
[建] 二硫代草酰氨
🗣️ 情景例句
I can't figure him out-he's a mystery!
我不能理解他，他真是个迷。
In college I majored in math, What was your major?
大学时我主修数学，你主修什么呢？
English is spoken as a first language by most people in the USA, Great Britain, Canada, Australia and New Zealand.
在美国、英国、加拿大、澳大利亚和新西兰，大多数人都把英语做为第一语言。