non-biodegradable material
... car emission standard汽车排放标准 non-biodegradable material不可生物降解材料 throw-away lunchbox一次性饭盒 ...
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众所周知，塑料袋是不可生物降解的材料，会长期留在土壤里面。
As we all known plastic bags are non-biodegradable material and it will stay in the soil for a long time.
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As we all known, plastic bags are non-biodegradable material and it will stay in the soil for a long time.
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