Naphthophenanthrene
二苯并蒽
🗣️ 情景例句
I could almost touch it.
我几乎可以摸到它。
His parents anticipate Gary's return home will be soon.
凯利的双亲认为他不久就会回家。
Our school is in the east of Beijing.
我们学校在北京的东部。