translation.en: And those two coils of wire are really, really close to each other, and actually do transfer power magnetically and wirelessly, only over a very short distance.
translation.zh: 并且这两卷线圈之间靠得非常近 事实上它们之间在传输电力-- 透过很短的距离，依靠电磁效应进行无线电力传输