declivity
n. 斜坡; 坡度; 下斜
1. a downward slope or bend
I looked frontage straightly , going declivity one by one.
我兩眼直視前方,一路下坡又下坡.
He had rolled down a declivity of twelve or fifteen feet.
他是從十二尺或十五尺高的地方滾下來的.
descent
n. 下坡
acclivity
其他釋義