rough and uneven中文什么意思

凹凸不平

• rough:    adj. 1.粗糙的 (opp. s ...
• uneven:    adj. 1.不平坦的，凹凸不平的。 ...
• uneven rough:    高低不平的

例句与用法

1. Do not use on rough and uneven surfaces
   粗糙或凹凸的表面不可使用。
2. Through texture , structure rough and uneven , high strength , corrosion resistance
   纹理直通，结构粗不均匀，强度高，略具耐腐性。
3. We reached a big valley , which happened to have been the riverbed of a stream that had dried up . the valley was rough and uneven , being covered with rocks and little bushes of all sizes
   这天，我用机车载着师姊去，到了一片广阔乾涸的枋山溪河川地，凹凸不平的河床上，布满大大小小的石头和小树丛。