Massenfilter
[机] 四极质谱仪
🗣️ 情景例句
If you don't finish your homework, you'll be in big, big trouble.
如果你不完成作业，你就有大麻烦了。
Suppose you couldn't go on the trip.How would you feel?
假定你不能继续你的旅行，你将感觉如何？
Don't cry, I said. I talked to her. But she looked at me and cried harder and harder.
“别哭呀！”我跟她说话，可是她看着我，哭得越来越厉害了。