• The cuticle exists as the separable outer boundary and consists of a layer of wax and pectin materials that appears to be structureless.

    可以区分开来外部周界是表皮无定形组织蜡质果胶构成。

    youdao

  • The cuticle exists as the separable outer boundary and consists of a layer of wax and pectin materials that appears to be structureless.

    可以区分开来外部周界是表皮无定形组织蜡质果胶构成。

    youdao

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