subsoil

['sʌbsɔil]

n.下层土, 底土
v.翻起 ... 的底土

例句与用法:

A specific layer of soil or subsoil in a vertical cross section of land.

地层,岩层处于土地的垂直横截面中的某一具体土层或次土层

Permanently frozen subsoil, occurring throughout the Polar Regions and locally in perennially frigid areas.

永冻土永久冰冻的下层土壤,出现在整个北极地区和部分长期寒冷的地区

词形变化:

名词: subsoiler | 动词过去式: subsoiled | 动词过去分词: subsoiled | 动词现在分词: subsoiling | 动词第三人称单数: subsoils |

详细释义:

n.

下层土; 底土

vt.

1. 掘起……的底土

2. 深耕, 深挖