Naphthoquinone
萘醌
🗣️ 情景例句
The fifth word.
第五个字。
I wasn't born yesterday.
我又不是三岁小孩。
Collecting as a serous hobby is quite different and has many advantages.
作为一种严肃的业余爱好的收藏活动完全是另外一回事，它具有许多益处。