牡蛎是一种滤食动物,这意味着它们能够帮助清洁水。
Oysters are filter feeders which means they help clean the water.
同样的道理,类似蛤和虫这样的滤食动物在大部分区域都埋在地下。
For the same reason, filter feeders, like clams and worms, burrow underground in most regions.
这次大灭绝之前,海洋动物大部分是固定在海底的滤食动物,比如海百合。
Before this extinction, Marine animals were mostly filter feeders stuck in place on the seafloor, such as crinoids or "sea lilies."
它——温和的巨人,是滤食动物,通过在游泳时张大嘴巴来捕食浮游生物与小鱼。
The gentle giants are filter feeders, swimming with their wide mouths open to collect plankton and small fish.
贝类基本上是滤食动物,牠们的身体会过滤大量海水,聚集微小的藻类做为食物。
Shellfish are primarily filter feeders, meaning that they strain large volumes of seawater through their bodies to concentrate food material such as microscopic algae.
贝类基本上是滤食动物,牠们的身体会过滤大量海水,聚集微小的藻类做为食物。
Shellfish are primarily filter feeders, meaning that they strain large volumes of seawater through their bodies to concentrate food material such as microscopic algae.
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