A spring popped out of the watch.
表里突然弹出一节弹簧来。
Before we close today, I thought I'd mention a biological event that's a part of the transition from winter to spring, something you can go outside and watch if you have some patience.
在今天结束之前，我想我要提到一个生物学事件，它是冬春过渡的一部分，如果你有耐心的话，你可以去外面观察。
Watch has a component called gossamer, this thing is most afraid of watch in the magnetic field near a magnet, spring will be magnetized.
手表里有个部件叫游丝，这东西最怕的就是磁场，手表在靠近磁铁后，游丝会被磁化。
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