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

虽然采集贝类动物是流行的消遣，但烟墩角村的主要事业远的外海。

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

而现它开始打开那些贝类海鲜了。

Did you know I'm allergic to shellfish?

你知道我对贝类过敏吗？

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

我因为目前没有什么可做的，就想到要这些清澈的海水中去捞捞看，好像水有丰富的贝类、植虫类和海产植物。

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.

我岸边找到了一些贝类动物，生吃了它们，不敢生火，生怕被当地人发现。

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，动物需要有敏锐的感觉。鱼和一些贝类动物有敏锐的眼睛，几乎所有的动物对触觉都很敏感。鱼依靠侧线来察觉水中的活动。