Mollusks(I don't know how to translate it well)?
Mollusks are an important part of marine life.They have improvided humans with sustenance foe thousands of years.Mollusks include shelled creatures like clams,mussels,oysters,and snails.They all have gills that take oxygen from the water.They often live where fresh river water mixes with saltwater from the ocean.This water is abudant in food.These animals feed by opening their shells with a muscel called a"foot" and by passing water through their bodies.They eat nutritious plant matter and the tiny animals that live in the water around them.Other types of mollusks include squid and octopuses.These can only live in saltwater.Their "foot" has evolved into arms,called tentacles,which are used to grab large prey
By the way , When you read a passage .How do you do to translate it well?.Can you help me?
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