polynyas英式朗读美式朗读基本解释(polynya 的复数) n.[地]冰间湖,冰穴(尤指北极海面的未结冰处)英文释义plural of polynya n a stretch of open water surrounded by ice (especially in Arctic seas)词形变化原形polynya上一个单词:polynya下一个单词:polyoctadecamethylene formal