When factories pump poisonous wastes into river, creatures living neat the rivers mouths, such as shellfish, absorb poison into their bodies.
当工厂排放有毒废气物到河流中,生活在河流口的生活,如:贝类吸收有毒物质进它们的体仙。
When factories pump poisonous wastes into river, creatures living neat the rivers mouths, such as shellfish, absorb poison into their bodies.
当工厂排放有毒废气物到河流中,生活在河流口的生活,如:贝类吸收有毒物质进它们的体仙。
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