Nitronaphthalene
[医] 硝基萘
🗣️ 情景例句
Tom's about to open the doors. Tom
准备要开门了。
Do you want me to check the tires?
要检查轮胎吗？
This decline in vigour with the passing of time is called ageing.
生命力随时间的流失而衰退叫做衰老。