Nitropenthrite
[化] 四硝基季戊四醇
🗣️ 情景例句
My visa is multi-entry; it allows me to exit the country and then re-enter, as ofter as I like.
我的签证是往返签证，我可以随便进出这个国家。
Better wear out shoes than sheets.
宁可（经常运动）穿破鞋子，也不（因病长卧）磨破床单。
I got a bad headache, and my nose is running.
我头痛得厉害，还流鼻涕。