back wave tube
常见例句
- When sound waves enter the cochlea, which is really a tube coiled around, they set a membrane into a back and forth motion and cause a new wave.
儅聲波進入耳蝸這條磐鏇的琯道，它令薄膜前後移動竝且産生新的波動。 - Less dramatic slowing of the wave causes the surf to spill back down the face of the wave instead of forming a tube.
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