Dinitrodiazophenol
二硝基重氮酚
🗣️ 情景例句
Concerned about whom?
为谁担心
You'll break it, if you don't take care.
你不专心的话，就会打破。
This is a major achievement because, in relative terms, planets are very small and old not emit light.
这是一个重要的成就，因为相对来说，行星很小，而且也不发光。