noun 下载 🔗分享 偶极子，双极子 Any object (such as a magnet, polar molecule or antenna) that is oppositely charged at two points (or poles) Examples : "Water is a good solvent because its molecule acts as a dipole, with one end slightly positive and the other slightly negative. " 水是很好的溶剂，因为水分子的作用就像一个偶极子，一端略带正电，另一端略带负电。 physics electronics technology science 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 偶极子，双极子。 Any molecule or radical that has delocalised positive and negative charges Examples : "Water is a dipole because the oxygen atom attracts electrons more strongly than the hydrogen atoms, creating slightly negative and positive ends. " 水分子是一个偶极子，因为氧原子比氢原子更能吸引电子，从而形成了略带负电和正电的两端。 chemistry physics 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 偶极天线，双极天线 A dipole antenna Examples : "The radio station used a simple dipole antenna to broadcast its signal. " 这家电台使用了一个简单的偶极天线来广播信号。 technology electronics physics device communication signal 与AI对话词汇游戏阅读练习
