Propylnitramine
丙基硝胺
🗣️ 情景例句
OK, Philip. This is your third cup of coffee.
好啦 Philip。这是你第三杯咖啡了。
I know you are all busy.
我知道大家都很忙
Oh dear! You're right.It's closed.
哎吆！你说得对，是关着的。