英语语法分析

Antihydrogen atoms are captured for the first time.

第一次捕获到反氢原子。

The electrically neutral antihydrogen atoms are left behind.

而反氢原子由于呈电中性而留了下来。

In that time some of the particles get together and form antihydrogen.

这段时间内一些粒子聚合成反氢原子。