单词	含水面
释义	含水面water bearing horizon
随便看	countable countable additivity countable base countable covering countable fault countable function countable infinity countableness countable noun countable probability space countables countable set countable set -- denumerable set countable set ; denumerable set countable subadditivity countably countably additive function countably compact set countably compact space countably infinite countably many countably paracompact space countably subadditive count against count among