downwellings

downwellings

 英

  • 网络下降流

例句

Warm surface temperatures and upwellings and downwellings cause the plankton to descend to lower depths, out of reach of surface-feeders.

升高水面温度上升水流下降水流使浮游生物下沉更深地方水面捕食动物无法触及