短語詞組短語bouldery ground 礫質(zhì)土bouldery colluvium 礫石崩積物bouldery y 巨礫的bouldery ore 區(qū)礫鑛石reverse impact bouldery formation 反循環(huán)沖擊鑽進(jìn)bouldery y colluvium 礫石崩積物 返回 bouldery