| 单词 | 起伏不平 |
| 释义 | 〔ruffle〕An irregularity or a slight disturbance of a surface.起皱：表面上的不规则或轻微波动；起伏不平〔hell〕Driving in a hilly town is hell on the brakes.在起伏不平的城镇里驾车对刹车很有危害〔ruffle〕To disturb the smoothness or regularity of; ripple.使…起伏不平，弄皱；使起涟漪〔wavy〕Marked by or moving in a wavelike form or motion; sinuous.波状的或以波浪式运动的；起伏不平的〔phyllite〕A green, gray, or red metamorphic rock, similar to slate but often having a wavy surface and a distinctive micaceous luster.千枚岩，硬绿泥石：一种绿色、灰色或红色变质岩，与页岩相似，只是表面通常起伏不平，有明显的云母光泽 |
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