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.
当声波进入耳蜗这条盘旋的管道，它令薄膜前后移动并且产生新的波动。 - Less dramatic slowing of the wave causes the surf to spill back down the face of the wave instead of forming a tube.
ECONOMIST: On the beach 返回 back wave tube