compression waves

• 压缩波

compression waves的用法和样例：

例句

1. A compression wave in decelerating flow steepens.
   压缩波在减速流中变陡。
2. So the compression waves pile up in front of the wingsfuselage, or body, of the plane.
   这样，压缩波就堆积在机翼和机身的前面。