Collision number
[化] 碰撞数
🧩 词语组成解析
🗣️ 情景例句
I never realized that.
我从来没有意识到这点。
In fifty years there'll be twenty people per square yard, it is written here.
这里写着，再过五十年每平方码将要住着20人的人口密度。
Class 3 did very well in the school sports meeting last week.
“3班在上星期的校运会上表现很好。