Dioxynaphthalene
[医] 二羟基萘
🗣️ 情景例句
When I was asked to speak in English.
刚才当被要求说英语的时候。
We're broadcasting from London.
我们从伦敦播放。
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。