flatten out
phrasal verbflatten out
- to gradually become completely flat
逐渐变平 - The hills first rose steeply then flattened out towards the sea.
山峦起初拔地而起，然后逐渐平坦，伸向大海。
- The hills first rose steeply then flattened out towards the sea.
- to stop growing or going up
停止生长；不再长高；停止上升 - Export growth has started to flatten out.
出口增长已逐渐缓了下来。
- Export growth has started to flatten out.
flatten something out
- to make something completely flat
使变平