alternating layer structure交替: supersede; replace层: I storey; tier; stratum结构: structure; composition; cons ...交替层: rhythmite井中软硬交替层: boulders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:交替层结构,即可在微信中查询翻译