n.双壳软体动物(如贻贝)
adj.【植】有两瓣的；【动】有双谷的

Oysters, clams, and mussels are popular bivalves consumed by humans worldwide.
蚝、蛤蜊和贻贝是全球人类广泛食用的双壳类动物。
The bivalve's shell consists of two halves joined by a hinge, allowing it to open and close.
双壳动物的壳由通过铰链连接的两半组成，使其能够开合。
Scientists study bivalves to understand past climate conditions due to their ability to preserve environmental information in their shells.
科学家研究双壳类动物，因为它们能在其壳中保存环境信息，从而帮助我们了解过去的气候状况。
Bivalves play a crucial role in estuarine ecosystems by filtering water and improving its quality.
双壳类动物在河口生态系统中发挥着关键作用，通过过滤水体来提高水质。
The mussel is an example of a freshwater bivalve that attaches itself to rocks or other surfaces using strong, thread-like structures called byssus threads.
贻贝是淡水双壳类的一个例子，它利用称为足丝的强韧线状结构附着在岩石或其他表面上。
In some coastal areas, bivalve farming, such as oyster and clam cultivation, is a significant source of income for local communities.
在一些沿海地区，如牡蛎和蛤蜊的养殖等双壳类养殖，是当地社区的重要收入来源。
Bivalves have a simple nervous system without a brain, yet they can still detect changes in their environment.
双壳类动物拥有简单的神经系统，没有大脑，但仍能感知环境变化。
During low tide, beachcombers often find various types of bivalve shells washed up on the shore.
退潮时，海滩上的寻宝者常常会发现各种类型的双壳类贝壳被冲上岸。
The giant clam, a type of bivalve, is one of the largest living bivalves, with some species reaching over four feet in length.
巨型蛤蜊是一种双壳类动物，是现存最大的双壳类之一，某些种类的长度可达4英尺以上。
Bivalves filter feed by drawing in water, trapping plankton and organic particles on their gills, which then get transported to their mouth for consumption.
双壳类通过吸入水流，在其鳃上捕获浮游生物和有机颗粒进行滤食，然后将这些食物输送到嘴中消耗。