In order to stay alive, animals need to have keen senses. Fish and some shellfish have sharp eyes. Almost all animals are sensitive to touch. Fish detect movements in the water by means of their lateral lines.

为了生存下来，动需要有敏锐的感觉。鱼和一些贝壳类动有敏锐的眼睛，几乎所有的动觉都很敏感。鱼依靠侧线来察觉水中的活动。

Having nothing better to do, I decided to dredge these beautiful, clear waters, which exhibited a profusion of shells, zoophytes, and open-sea plants.

我因为目没有什么可做的，就想到要在这些清澈的海水中去捞捞看，好像水里面有的贝壳类、植虫类和海产植。

While gathering shellfish is a popular pastime, the main business of Yandun Jiao happens further out at sea.

虽然采集贝壳类动是流行的消遣，但烟墩角村的主要事业在更远的外海。

And what it's doing now is starting to open that shellfish.

而现在它开始打开那些贝壳类海鲜了。

I found some shellfish on the shore, and ate them raw, not daring to kindle a fire, for fear of being discovered by the natives.

我在岸边找到了一些贝壳类动，生吃了它们，不敢生火，生怕被当地人发现。

Did you know I'm allergic to shellfish?

你知道我贝壳类过敏吗？