Nitratite
n. 钠硝石
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
I'm looking for a secretarial position.
我在找秘书的工作。
That sounds interesting. That was a hundred years ago, wasn't it?
听起来很有意思。那是一百年前的事了，不是吗？