我通常吃海豹，但也能吃海象，蚌类，甚至是浆果和海藻。

I normally eat seals but also can dine on walruses, mussels or even berries and seaweed.

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蚌类可以在受污染的水中生活，因为它们天生有净化细菌，真菌和病毒的能力。

Mussels can thrive in polluted water because of an inborn ability to purify bacteria, fungi, and viruses.

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蚌科是淡水底栖动物的重要类群，由于淡水蚌类存在趋同现象，致使我国蚌科在分类上仍然存在许多争议。

Unionidae is an important group of freshwater benthos. Due to the convergence phenomenon of freshwater mussels, there is still much controversy in the classification of Chinese Unionidae.

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