accretionn.生长；增加；连生；积累而成的东西；添加物；【地】冲积层accretion ripple mark加积波痕accretionary limestone加积石灰岩accretion / erosion冲淤accretion of bed level河床的淤高accretionary complexes增生杂岩accretionary lava ball外加熔岩球accretion of population人口增长accretion by black hole黑洞吸积Accretionary orogenesis增生造山accretion simulations.（7）吸积的模拟。