The cuticle exists as the separable outer boundary and consists of a layer of wax and pectin materials that appears to be structureless.
可以区分开来的外部周界是表皮层,由无定形组织的蜡质和果胶构成。
The cuticle exists as the separable outer boundary and consists of a layer of wax and pectin materials that appears to be structureless.
可以区分开来的外部周界是表皮层,由无定形组织的蜡质和果胶构成。
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