HORIZONTAL#if a slope, road etc steepens, or if something steepens it, it becomes steeper (使)变得陡峭
Examples from the Corpus
steepen• The valley of the White Kielder Burnsteepened again as I trudgednorth, its curvestightening.• Eventually the rocksteepens and turns blocky.• We made it to the Pastukhov rocks without a break and steered left where the slope steepened considerably.• As his divesteepened he felt the speedpick up again; there was still life in the controls, somewhere.• Killion steepened his dive and began picking his targets.• Addition of successively higher oddharmonicssteepens the wings and reduces the amplitude of the fluctuations in between.• After a few seconds the attitude should be allowed to steepen up gradually and smoothly until the full climbingangle is reached.• The glider should not be steepened up or levelled out immediately after leaving the ground.