hydrology
n. 水文学,水文地理学
例句
The hardest bit is hydrology.
水文地质学是最费劲的一块。
Climate change makes hydrology trickier still.
气候变化使得水文地质更加的复杂。
The bridge was destroyed but the dam has influenced hydrology.
这座桥已被摧毁,但水库影响着这里的水文。