perigean
美
英 
例句
A perigean spring tide, or king tide, is an especially high tide caused by the fuller moon and the close orbit of the moon to earth.
近月潮,或“國王”潮,是由月亮距離地球軌道最近的時候引起的特殊海潮。
Scientists call these perigean tides, because the moon'sclosest point to Earth is called perigee.
科學家們稱月球離地球比來的點為近地址,這種潮水為“近月潮”;