path,esp through roughcountry
小路（尤指穿过不平坦的郊野的）
Fluidization has had a rather turbulent history.
流态化的发展历史是颇不平坦的。
topographically very uneven.
地形崎岖的，非常不平坦的。
walking was difficult on the irregular cobblestoned surface.
在不平坦的鹅卵石路面上走路很困难。
having a sharply uneven surface or outline.
具有尖锐、不平坦的表面或者轮廓。
an uneven color; uneven ground; uneven margins; wood with an uneven grain.
不均匀的颜色；不平坦的地面；不整齐的空白；纹理不规则的木头。
Life is not always smooth.
生活的路不是平坦的
an even application of varnish; an even floor; the road was not very even; the picture is even with the window.
平坦的涂刷清漆；平坦的地板；道路不是很平；这张照片与窗户平齐。
cut unevenly with a chattering tool.
用一台卡搭作响的工具（会）切的不平坦。
Our path in life will not always Be smooth.
我们的人生之路不会永远平坦。
The honest way is not the easy way.
诚实的道路不是平坦大道。
a flat desk; acres of level farmland; a plane surface.
平坦的课桌；成亩的平坦农田；平坦的表面。
Having no visible elevation or depression; flat; level.
水平的，平坦的看不出有凹凸的部位的；平的；水平的
Some streets are not level in the city.
城里有几条街道不平坦。
The rough street was crowded.
街道不平坦，行人很多。
A flat, horizontal surface.
平坦的,水平的表面
The course of detente has not been smooth or even.
缓和的道路也并非平平坦坦，畅通无阻。
Some Properties of P-flat Modules and P-flat Dimension;
P-平坦模和P-平坦维数的若干性质