subspecialty
['sʌb'speʃəlti]
n. 附属专业
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:
名词复数: subspecialties |