feeding animal, detritus feeder 食微生物动物 microbivore 滤食动物 filter feeder, suspension feeder ..
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这个软体动物以过滤海水捕捉微生物为食。
This mollusk feeds by filtering water, catching miniscule animals.
哺乳动物（包括人）不能消化它，但草食性动物以纤维素为食，食入后在其消化道内停留的时间很长，这样生活于其消化道内的微生物便得以将它消化。
Mammals (including humans) cannot digest cellulose, but bacteria in the rumens of cattle and other ruminants and protozoans in the gut of termites produce enzymes that can break it down.
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