日常生活中我们很少碰到这种人。

In everyday life, we don't often meet this kind of person.

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然而，在我们的宇宙里很少找到反物质，因为一旦它碰到正物质，即刻就会湮灭掉。

However, it's rare to find antimatter in our universe, since it annihilates almost instantly when it comes into contact with matter.

youdao

然而，在我们的宇宙里很少找到反物质，因为一旦它碰到正物质，即刻就会湮灭掉。

However, it's rare to find antimatter in our universe, since it annihilates almost instantly when it comes into contact with matter.

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