ping-pong ball

常见例句

Here we have not a bowling ball onto a ping-pong ball but we have a billiard ball.
我现在不让保龄球,去撞乒乓球,而是拿一个台球。
It is intuitive that if the billiard ball hits the ping-pong ball that it will continue.
需要凭借直觉的是,台球撞击了乒乓球,而它继续运动。
The balls chose leaders for their groups.They chose as their leaders the ping-pong ball, baseball, basketball, and soccer ball.
他们选出乒乓球，棒球，篮球和足球。作为他们的领导者。

It's not going to be a backscatter event if your ping-pong ball hits the frame or these strings, or the top part.
打到原子核了就是背散射,如果打到框上。
麻省理工公开课 - 化学原理课程节选
So, it'll be considered a backscatter event if your ping-pong ball hits one of the nuclei.
什么情况是背散射,如果你们的乒乓球。
麻省理工公开课 - 化学原理课程节选
Raise your hand if you don't if you don't have a ping-pong ball yet.
这样就可以算,背散射的概率了。
麻省理工公开课 - 化学原理课程节选

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