美 [ˈflætn aʊt]
变得更加平坦：指等级制度或不平等分配变得更加平坦。
become flat or flatter
同义词： flatten
... flats 扁平状；平顶 flatten out 拉平 flattened distribution 拉平分布 ...
... background flatten背景淡化 flatten out变平 S Flatten球状压平 ...
...up，climb， take off， jump，shoot up暴涨，soar，rocket， skyrocket 2、表示上升后保持平稳：flatten out(下降或升高后变平)， level off 举例：人口上升后保持平稳：the number of population mounted and leveled off.
使平坦
If you leave, for example, a bar of ice supported only at one end, the end, the unsupported end will deform under its own weight, it'll kind of flatten out at one end, get distorted, deformed.
举个例子，如果你把一根只有一端支撑的冰放在一边，没有支撑的一端会在自身的重量下变形，它的一端会变平，变形。
Export growth has started to flatten out.
出口增长已逐渐缓了下来。
The hills flatten out here, and the ground is almost level.
这里的山丘变平了，地面基本上是平坦的。
Town leaders said any floodwaters coursing down the mountain would flatten out once they reached the valley.
VOA : standard.2010.04.26
It began to flatten out, to melt into surrounding space, to attach itself to otherness.
Hong Kong's Hang Seng swung between gains and losses to flatten out at 21, 661.08.
The close Thursday was above the 20-day EMA which is just trying to flatten out.