Some objects do not allow light to go through them. 有些物體是不透光的。
The ability to gather oxygen with its arm webbing enables it to live in the oxygen minimum layer of the ocean, where there is virtually no light penetration. 其觸手間的薄翼可以吸取水中的氧元素，這種能力使其能夠在海洋里暗不透光的低含氧層中生存。
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