lacustrine湖: lake积: amass; store up; accumulate成: accomplish; succeed的: 4次方是 The fourth power of 2 i ...沙丘, 风吹积成的沙丘: sand dune下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:湖积成的,即可在微信中查询翻译