短语词组短语oyster -shell lime mortar 蚝壳灰粉pearl oyster pearl shell 珍珠贝oyster drill shell 海螺壳oyster r shell 牡蛎;牡蛎壳oyster r shell powder 蚝壳粉Oyster Half Shell 半壳牡蛎oyster shell power 牡蛎粉 返回 oyster shell