淀粉是地球上储量最丰富的天然高分子聚合物。
Starch is one of the most abundant natural polymers in the earth.
向日葵髓芯是一种天然的高分子泡沫材料。
The pith of sunflowers is a kind of natural cellular material.
微生物絮凝剂是一类由微生物产生的天然生物高分子物质。
Microorganism flocculation was a kind of natural organism high-element material.
微生物絮凝剂是一类由微生物产生的天然生物高分子物质。
Microorganism flocculation was a kind of natural organism high-element material.
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