Anthanthrone
[化] 二苯并[cd,jk]芘-5,10-二酮
🗣️ 情景例句
I've been employed as a clerk in ABC Company since 1992.
从1992年我就在ABC公司作职员。
Love makes the world go round.
爱情使世界运转。
Certainly, Mum! What shall we cook?
当然啦，妈！ 我们做什么菜？