是一种右旋的生活在海洋潮间带岩石上的螺。
The owl limpet (Lottia gigantean) which clings to rocks in the ocean intertidal zone has a "right-handed" body organization.
作为海洋（孕育包括我们在内所有生命的摇篮）的缩影——潮间带就像宇宙中另一个银河，一条能被我们轻易握住的银河。
As a microcosm of the ocean—the nursery of all life including ourown—the intertidal zone serves as another galaxy in the universe, one easilywithin our grasp.
即使潮波在赤道上移动的速度跟得上月亮，海洋深度必须为22公里左右。
In order for the tide waves to move fast enough at the equator to keep up with the moon, the ocean would have to be about 22km deep.
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