'P waves' or primary waves are the first waves that arrive.

" P波" 或" 主波" 是第一批可以感受到的地震波。

Some esophageal defense mechanisms against acid reflux are the primary and secondary peristaltic waves.

一些抗酸反流的食管防御机制是初级和次级蠕动波。

The primary wave put me where I am.

第一波把我带到了现在的位置。

And today, most smartphones are also capable of recording primary seismic waves.

现如今，大多数的智能手机也可以记录主地震波。

But the construction of these monuments and memorials came in two primary waves that weren't directly tied to the official cease fire.

但这些纪念碑和纪念物的建造主要有两波，它们与官方停火协议没有直接联系。