| 释义 |
planation pla.na.tion AHD: [pl³-n³“sh…n] D.J. [ple!6ne!.*n]K.K. [ple6ne.*n]n.(名词)The process of erosion and deposition in which a nearly level surface is produced, as by streams, wind, or ocean currents.均夷作用:象由河流、风或洋流引起近似平坦的表面的侵蚀和沉积过程语源:1. Latin pl³num [flat surface] * see plane 1拉丁语 pl³num [平坦的表面] *参见 plane12. -ation -ation |