1·Tests showed increased levels of toxin in shellfish.
测试表明贝类中的毒素级别上升了。
—— 《柯林斯英汉双解大词典》
2·He collected shellfish and other sea treasures.
他收集贝类以及其他海洋珍品。
3·The plant functions as a stabilizer and a sediment trap and as a nursery area for estuarine fish and shellfish.
该植物可作为稳定剂和沉积物捕集器，并可以作为培育河口鱼类和贝类的地方。
4·The rivers feed into the Bering Sea and Gulf of Alaska — cold, nutrient-rich waters which support tens of millions of seabirds, and over 400 species of fish, shellfish, crustaceans, and mollusks.
这些河流汇入白令海和阿拉斯加湾这片寒冷而又营养丰富的水域，在这片水域里生活着数千万只海鸟、400多种鱼类、贝类、甲壳类和软体动物。
5·Looking at a piece of porcelain like a teacup, no one associates it with the shellfish or pigs .
看着自己面前的一只茶杯，或是之类的瓷器，没有人会由它联想到贝类动物和猪。