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.
植物表皮蜡质是覆盖在植物最外层的一类有机混合物总称，它是植物自我防护的最后一道屏障，在植物生长发育过程中起重要作用。
Plant epicuticular wax is a collective term used to describe the organic components of the cuticle which covers the outer surface of aerial plant tissues.
苹果表皮之所以具有蜡质的光泽全因其含有的某种元素，该成分有益于强健人体肌肉，并且维持健康体重。
The chemical behind the apple skin "s waxy shine is being credited with a host of health benefits from building muscle to keeping the lid on weight."
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