noun 下载 🔗分享 偶极子，偶极。 Any object (such as a magnet, polar molecule or antenna) that is oppositely charged at two points (or poles) Examples : "The tiny water molecules act like dipoles, with one end slightly positive and the other slightly negative, allowing them to stick to each other. " 微小的水分子就像偶极子一样，一端略带正电，另一端略带负电，这使得它们能够互相结合。 physics energy electronics device point 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 偶极子，偶极。 Any molecule or radical that has delocalised positive and negative charges Examples : "Water molecules are dipoles because oxygen attracts electrons more strongly than hydrogen, creating a slightly negative charge on the oxygen side and slightly positive charges on the hydrogen sides. " 水分子是偶极子，因为氧原子比氢原子更能吸引电子，导致氧原子一侧带有轻微的负电荷，而氢原子一侧带有轻微的正电荷。 chemistry physics substance 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 偶极天线，偶极子 A dipole antenna Examples : "The radio enthusiast built several dipoles of different lengths to improve the reception of various frequencies. " 那位无线电爱好者制作了几根不同长度的偶极天线，以改善对不同频率的接收效果。 technology electronics physics device signal communication machine electric 与AI对话词汇游戏阅读练习
