noun 下载 🔗分享 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. Examples : "The polar of the parabola's focus is a straight line. " 抛物线焦点的极线是一条直线。 math point figure 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 极地的，极性的。 Of or having a pole or polarity. Examples : "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。 world geography nature environment science physics 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 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. Examples : "The polar bear exhibit at the zoo was fascinating. " 动物园里的北极熊展区非常吸引人。 geography world area nature 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 极轨的，近极地的. (space sciences) Of an orbit that passes over, or near, one of these poles. Examples : "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。 astronomy space science technical 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 极性的，离子性的 Having a dipole; ionic. Examples : "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。 chemistry physics science 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 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. Examples : "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。 math astronomy physics space 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 是非，两极的. (of a question) Having but two possible answers, yes and no. Examples : "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？” language logic 与AI对话词汇游戏阅读练习
