After a mile, the slope steepened.
过了一英里后，山坡变陡了。
牛津词典
The road steepened and then levelled out suddenly.
路变得陡直起来，然后又突然变平坦了。
Widespread reactions of this sort could steepen its dive.
普遍这类反应将会加快它的跳水.
期刊摘选
Foreign investors would demand higher returns for holding US assets, causing bond yields to steepen.
外国投资者将为所持美国资产要求更高的回报, 这将导致债券收益率曲线变得陡峭起来.
期刊摘选
Then the effect is to steepen the flanks of the pulse spectrum.
因此在效果上是加大了脉冲谱翼部的陡度.
辞典例句
"The mountain side has steepened"
"The landslides have steepened the mountain sides"