mantlerockregolith上: upper; up; upward岩层: rock formation; stratum; roc ...上岩: kamiiwa上岩潭: shangyantan岩层: [地] rock formation; stratum; rock stratum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:上岩层,即可在微信中查询翻译