pecten

例句：

1. 1. The oyster is a popular seafood dish in many Asian countries.
   在许多亚洲国家，牡蛎是受欢迎的海鲜菜肴。
2. 2. The shellfish market is booming due to the increased demand for sustainable seafood.
   由于对可持续海鲜需求的增加，贝类市场正在蓬勃发展。
3. 3. The bivalve shells are used as building materials for boats and ships.
   双壳贝类壳被用作船只和船舶的建筑材料。