Nitropenthrite
[化] 四硝基季戊四醇
🗣️ 情景例句
I have always envied your good luck.
我一直羡慕你的运气好。
My brother took lessons on the trumpet for nearly ten years.
我的兄弟有将近10年的时间听小号的课了。
Just as Mrs.Richards was entering the dinning room, there was a knock on the front door.
理查兹夫人刚刚走进餐厅，前门就传来敲门声。