belowground / bɪˈloʊˌgraʊnd /

📖毕业后词汇地面以下地面下地面下的地面以下的

belowground 的定义

adj. 形容词 adjective
  1. situated beneath the surface of the earth; subterranean.
  2. no longer living; buried, as in a cemetery: All those who might have known about the incident are now belowground.