longinternal wave

例句：

1. 1. Long internal wavescan travel long distances inthe ocean.
   长内波可以在海洋中传播很远的距离。
2. 2. The long internal waves werecaused by the strong winds.
   强烈的风引起了长内波。
3. 3. The long internal waves are asign of an approaching storm.
   长内波是暴风雨即将来临的迹象。