Definition

Examples

• 这个地区的土层很厚，适合种庄稼。
  Zhège dìqū de tǔ céng hěn hòu, shìhé zhòng zhuāngjia.
  The soil layer in this area is very thick, suitable for growing crops.
• 地质学家正在研究地下不同土层的构成。
  Dìzhìxuéjiā zhèngzài yánjiū dìxià bùtóng tǔ céng de gòuchéng.
  Geologists are studying the composition of different soil layers underground.
• 暴雨冲刷后，表层的土层流失了很多。
  Bàoyǔ chōngshuā hòu, biǎocéng de tǔ céng liúshī le hěnduō.
  After the heavy rain erosion, a lot of the surface soil layer was lost.