英语语法分析

The human race has enough weapons to annihilate itself.

人类有足够的武器灭绝自己。

《牛津词典》

I was embarrassed how to punish him when I discovered his part in the business: he's such a cobweb, a pinch would annihilate him.

当我发现他参与了这件事时，我不知道该如何惩罚他才好：他是一个蜘蛛网，一抓就要使他消亡。

This also explains why matter and antimatter annihilate.

这也解释了为什么物质与反物质会消失。