3 sentences for 深层 (shēn​céng — deep layer)

1. 这种洗面奶能深层洁净皮肤。

   zhè zhǒng xǐ​miàn​nǎi néng shēn​céng jié​jìng pí​fū.

   This facial cleanser can deeply cleanse the skin.

   Source: Dong Chinese Dictionary

2. 科学家在海洋深层发现了一些新物种。

   kē​xué​jiā zài hǎi​yáng shēn​céng fā​xiàn le yī​xiē xīn wù​zhǒng.

   Scientists have discovered some new species in the deep layers of the ocean.

   Source: Dong Chinese Dictionary

3. 由于技术落后，这些深层矿床目前很难被开采。

   yóu​yú jì​shù luò​hòu, zhè​xiē shēn​céng kuàng​chuáng mù​qián hěn nán bèi kāi​cǎi.

   Due to outdated technology, these deep mineral deposits are currently difficult to extract.

   Source: Dong Chinese Dictionary