upwelling

n. 上涌, 上升流(指海水由较深层上升到较浅层的过程)

词形变化

upwellings 复数 upwellings

释义与例句

n.
  1. 1.

    An upward movement from a lower source.

  2. 2.

    the oceanographic phenomenon that occurs when strong, usually seasonal, winds push water away from the coast, bringing cold, nutrient-rich deep waters up to the surface

v.
  1. 1.

    present participle and gerund of upwell

词源

From up- + welling.

来源：wiktionary