mussel bed贝壳: conch; shell; shell of shell ...石灰岩: limestone贝壳石灰岩地层: shelly ground贝壳石灰: oyster lime; oyster-shell lime; shell lime贝壳石灰石: coquina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:贝壳石灰岩，即可在微信中查询翻译
