灰岩残丘 huīyáncánqiū mogote Origin Definitions Defs Strokes Stroke Words Sentences Sents 灰 huī lime lime; mortar岩 yán noun rock (geology) rock; mineral aggregate that makes up the earth's crust残丘 殘丘 cánqiū residual hill a hill that remains after the surrounding land has been eroded; a monadnock or unaka