Because the crystal bends light much more strongly than air does, light should have bounced off the holes and traveled down a channel that had been left clear of holes.
由于晶体比空气更能弯曲光线，光会从小孔上反射回来，从而沿着没有小孔的通道传播。
And the sudden change in air pressure would lead to a nasty case of the bends, as if you were scuba diving and came up too fast.
而气压的突然改变也会引起严重的减压病，就好像你在戴着水肺潜水而上来的太快一样。
You need a stronger airflow to bend notes. However, with practice, the amount of air pressure needed for bends reduces.
与正常音符相比，压音需要更强的气流来实现。经过大量的练习之后，你就能很好地控制适当的气流压力。
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