noun🔗Share极线 The line joining the points of contact of tangents drawn to meet a curve from a point called the pole of the line."The polar of the parabola's focus is a straight line. "抛物线焦点的极线是一条直线。mathpointfigureChat with AIVocabulary GamePractice Reading
adjective🔗Share极地的，极性的。 Of or having a pole or polarity."The magnet has a strong polar force, attracting the metal paper clips. "这个磁铁有很强的极性磁力，能够吸引金属回形针。worldgeographynatureenvironmentsciencephysicsChat with AIVocabulary GamePractice Reading
adjective🔗Share极地的，南北极的 Of, relating to, measured from, or referred to a geographic pole (the North Pole or South Pole); within the Arctic or Antarctic circles."The polar bear exhibit at the zoo was fascinating. "动物园里的北极熊展区非常吸引人。geographyworldareanatureChat with AIVocabulary GamePractice Reading
adjective🔗Share极轨的，近极地的. (space sciences) Of an orbit that passes over, or near, one of these poles."The satellite's polar orbit allowed it to photograph the entire Earth's northern region. "这颗卫星的极地轨道使其能够拍摄到整个地球的北部地区。astronomyspacesciencetechnicalChat with AIVocabulary GamePractice Reading
adjective🔗Share极性的，离子性的 Having a dipole; ionic."The water molecule is polar because it has a slightly positive end and a slightly negative end. "水分子是极性的，因为它一端略带正电荷，另一端略带负电荷。chemistryphysicsscienceChat with AIVocabulary GamePractice Reading
adjective🔗Share极坐标的，极性的 Of a coordinate system, specifying the location of a point in a plane by using a radius and an angle."The polar coordinates of the school's new playground are crucial for the construction plans. "学校新建操场的极坐标对于施工计划至关重要。mathastronomyphysicsspaceChat with AIVocabulary GamePractice Reading
adjective🔗Share是非，两极的. (of a question) Having but two possible answers, yes and no."The teacher asked a polar question: "Did you finish your homework?" "老师问了一个是非题：“你们做完作业了吗？”languagelogicChat with AIVocabulary GamePractice Reading
