hydrology

名词 hydrology:

1. the branch of geology that studies water on the earth and in the atmosphere: its distribution and uses and conservation

hy.drol.o.gy

n.（名词）
The scientific study of the properties, distribution, and effects of water on the earth`s surface, in the soil and underlying rocks, and in the atmosphere.
水文学：关于地球表面、土壤中、岩石下和大气中水的含量、分布以及影响的科学研究

【引伸】
hy.drolog.ic
hy.drolog.ically
adv.（副词）
hydrol.ogist
n.（名词）