Naphthophenanthrene
二苯并蒽
🗣️ 情景例句
I take care of both to the best of my ability.
我尽我所能把两方面都照顾好。
Action is the proper fruit of knowledge.
行动是知识的巧果。
By working at tremendous speed, the men managed to get the dish on to dry land before the wave returned.
工人们动作迅速，终于赶在那股大浪返回之前把盘子拽到了岸上。