深层

shuǐ shèn tòu dào le tǔ rǎng de shēn céng

水渗透到了土壤的深层。

The water has sunk to the depth of the soil.

shēn céng fēn xī

深层分析

in-depth analysis

shēn céng máo dùn

深层矛盾

deep-seated contradictions

nà shì yī zhǒng chù dòng gèng shēn céng de qíng gǎn biǎo dá

那是一种触动更深层的情感表达。

This is the kind of expression of emotion that touches a deeper chord.