noun🔗Share古怪，怪癖，离奇 The quality of being eccentric or odd; any eccentric behaviour."His eccentricity was evident in his unusual choice of clothing for school, a bright purple suit with yellow shoes. "他古怪的性格在他上学时异于常人的穿着上显露无疑：一身亮紫色的西装，配着黄色的鞋子。characterqualitystyleattitudemindpersonChat with AIVocabulary GamePractice Reading
noun🔗Share离心率 The ratio, constant for any particular conic section, of the distance of a point from the focus to its distance from the directrix."For an ellipse, the eccentricity is the ratio of the distance from the center to a focus divided by the length of the semi-major axis."对于椭圆来说，离心率是指从中心到焦点的距离除以长半轴的长度所得的比值。mathastronomyChat with AIVocabulary GamePractice Reading
noun🔗Share离心率 The eccentricity of the conic section (usually an ellipse) defined by the orbit of a given object around a reference object (such as that of a planet around the sun)."The eccentricity of Earth's orbit around the sun is responsible for the changing seasons. "地球绕太阳公转轨道所具有的离心率，是造成季节变化的原因之一。astronomyphysicsmathspaceChat with AIVocabulary GamePractice Reading
