Collision number
[化] 碰撞数
🧩 词语组成解析
🗣️ 情景例句
I'm glad I ran into you. Where have you been hiding lately?
我很高兴碰见你，你躲到哪里去了？
I've never heard that piece before.Who wrote it?
我从来没听过那乐章，那是谁写的？
There are twenty-four boys, and twenty-two girls.
二十四个男生，二十二个女生。