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。