noun🔗Share最低点，天底。 The point of the celestial sphere, directly opposite the zenith; inferior pole of the horizon; point of the celestial sphere directly under the place of observation."The astronomer noted that the constellation was at its nadir tonight, completely hidden below the horizon. "今晚，天文学家注意到那个星座已经到达了天底，完全隐藏在地平线以下。astronomyspacepositiondirectionscienceChat with AIVocabulary GamePractice Reading
noun🔗Share最低点，谷底，最糟的境地 The lowest point; time of greatest depression."After failing the exam, John's confidence reached its nadir. "考试不及格后，约翰的自信心跌到了谷底。conditionsituationtimenegativeChat with AIVocabulary GamePractice Reading
noun🔗Share最低点，谷底 The axis of a projected conical shadow; the direction of the force of gravity at a location; down."The nadir of the sun is the axis of the shadow projected by the Earth."太阳的最低点就是地球投射的阴影轴线。astronomyphysicsdirectionpositionChat with AIVocabulary GamePractice Reading
noun🔗Share继箱 An empty box added beneath a full one in a beehive to give the colony more room to expand or store honey."The beekeeper added a nadir to the hive, giving the bees more space to store their honey harvest. "蜂农在蜂箱底部加了一个继箱，让蜜蜂有更多的空间来储存采酿的蜂蜜。agricultureanimalChat with AIVocabulary GamePractice Reading
verb🔗Share在蜂箱底部加空箱扩建。 To extend (a beehive) by adding an empty box at the base."The beekeeper decided to nadir his strongest hive, adding a new box at the bottom so the bees would have more room to expand their honey production. "养蜂人决定在他最强壮的蜂箱底部加空箱扩建，以便蜜蜂有更多的空间扩大蜂蜜产量。agricultureanimalinsectChat with AIVocabulary GamePractice Reading
