例句：

　　Think about where fish and shellfish live.

　　想想魚類和貝類所生活的環(huán)境。

　　He collected shellfish and other sea treasures.

　　他收集貝類以及其他海洋珍品。

　　They made a living as divers, spearfishing or harvesting shellfish.

　　他們以潛水、魚叉捕魚或收獲貝類為生。

　　The plover lives by the ocean and feeds on small shellfish, insects and plants.

　　它們生活在海邊，以小貝類海鮮、昆蟲和植物為食。