Nitropowder
[化]硝化火药
🗣️ 情景例句
It's 5:00 p.m. today.
今天下午5点整。
I think the teacher works us too hard.
我觉得教师害得我们太苦了。
the man sadly picked up the mattress and carried it into his house.
伤心地捡起了床垫，把它拿进了屋。