compositionally immature sediment成分: composition; component part; ...上: upper; up; upward未成熟: immaturate的: 4次方是 The fourth power of 2 i ...不成熟的沉积物: immature sediment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:成分上未成熟的沉积物,即可在微信中查询翻译