For a hatchling sea turtle, the answer is magnetoreception.

对于刚出壳海龟来说，答案是磁感应。

This year is a real brake. It's magnetic. It is activated by a magnet.

今年开放线路有真正刹闸，是磁感应，磁驱动。

This amazing bird can learn to distinguish every letter of the alphabet, and many have the unique ability to find their way home over huge distances using megnetoreception.

神学会区分字母表中每一个字母，而且许多具有独特能力，利用磁感应技术在很远地方找到回家路。

The abbey had installed a wire - called a hearing loop or induction loop - which transmits sound via a magnetic signal to the telecoil in a hearing aid or cochlear implant.

修道院正是安装了一助听线圈（也叫电磁感应线圈），线圈能够通过磁信号将声音传播给助听器或人工耳蜗。