hy·dro·sphere /-ˌsfɪr/
水圈,水界,水氣
Hy·dro·sphere n.
1. Meteor. The aqueous vapor of the entire atmosphere.
2. Phys. Geog. The aqueous envelope of the earth, including the ocean, all lakes, streams, and underground waters, and the aqueous vapor in the atmosphere.
◄ ►
hydrosphere
n : the watery layer of the earth's surface; includes water
vapor