Fluoronaphthalene
氟萘
🗣️ 情景例句
I feel run down.
我觉得我的身体很差。
Hurry back!
快去快回！
Those who seek it undertake an arduous journey and can never be sure that they will find it.
那些寻求正义的人走的是一条崎岖的道路，从来没有把握他们最终将到正义。