# subsoil ##### 词义 - 英：/ˈsʌbsɔɪl/； 美：/ˈsʌbsɔɪl/ - #词性/n 底土；心土 - #词性/v 翻起…的底土 ##### 例句 - Less chemical gets into the subsoil which is particularly important with the light , tropical soils . - 进入底土的化学物质会减少，这对土质松软的热带土壤而言尤为重要。 - In loessal regions and alluvial valley fills of the western United states , both surface soil and subsoil are commonly friable . - 在美国西部黄土区和冲积河谷里，表土和底土一般是容易破碎的。 - They embedded the pilings deep into the subsoil . - 他们把桩深深打进地基下的土中。