2 sentences for 表皮 (biǎo​pí — cuticle)

1. 这种苹果的表皮非常薄。

   zhè zhǒng píng​guǒ de biǎo​pí fēi​cháng báo.

   The skin of this kind of apple is very thin.

   Source: Dong Chinese Dictionary

2. 这种薯的表皮是黄色的，吃起来口感很面。

   zhè zhǒng shǔ de biǎo​pí shì huáng​sè de, chī qi​lai kǒu​gǎn hěn miàn.

   The skin of this tuber is yellow, and it has a starchy texture.

   Source: Dong Chinese Dictionary