fall line
短语(地理)瀑布线,(滑雪)直接下滑线
发音
US
词形变化
fall lines
复数
fall lines
释义与例句
n.
-
1.
A geomorphologic unconformity marking a boundary between an upland region and a plane; sometimes marked by a series of waterfalls on rivers that cross it.
地质 -
2.
The imaginary line downhill that something falling downhill would naturally follow.
体育