变平：指物体表面的凸起部分消失，变得平坦。
... flat adj. 平的，平坦的；扁平的；平伸的，平展的；浅的 become flat 泄气 fall flat 跌倒；完全失败；完全无效果；全无好评 ...
The world it's said has shrunk or become flat.
人们都说世界正在不断地变小，变得平坦。
After several weeks, the plant will become flat and dry.
若干个星期后，植物会变扁或变干。
Oil painting removed light and shadows, so become flat painting, now those pictures became just oil painting Chinese pictures.
油画除去了光影，所以成了平涂，现在看那些画也就是用油画画的中国画而已。
However,snow can become hard and flat as it becomes older or if there have been strong winds.
VOA : special.2010.01.05
Their voices become flat, boring and monotone.
And since there were one-family houses selling in Union for a Depression low of a few thousand dollars, he would be able to realize an ambition he had nurtured growing up penniless in a Newark tenement flat: to become an American homeowner.
Despite the convenient Hotel de Ville metro station just near my flat, I have become one of the growing number of militant Paris cyclists, cycling to work and back every day up the Rue de Rivoli and then back home on the Rue de Faubourg-St Honore.