Napthazole
萘并吡咯
🗣️ 情景例句
This weekend I'm going to install a home security system.
这个周末我要装一套家庭保安系统。
I asked him to fix it for me, but he wouldn't.
我请他帮我修理，但是他不肯。
They then knew that they had discovered the cause of the fire.
这时调查人员知道他们找到了发生火灾的原因了。