细胞骨架大部分由微丝组成，微丝主要由可收缩的肌动蛋白组成。

A large portion of the cytoskeleton consists of threadlike microfilaments composed mainly of the contractile actin.

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细胞骨架大部分由微丝组成，微丝主要由可收缩的肌动蛋白组成。

A large portion of the cytoskeleton consists of threadlike microfilaments composed mainly of the contractile actin.

youdao