绿藻门双星藻目一类美丽的单细胞微小绿色藻类，形状差异很大。

Any of a group of one-celled, microscopic green algae characterized by great variation in cell shape.

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绿藻门双星藻目一类美丽的单细胞微小绿色藻类，形状差异很大。

Any of a group of one-celled, microscopic green algae characterized by great variation in cell shape.

youdao