subterranean
/.sʌbtә'reinjәn/
托福GRE基础词汇
BNC词频: #14,927
当代词频: #14,509
中文释义
a. 地下的, 秘密的
n. 地下室, 地下工作者
英文释义
s. being or operating under the surface of the earth
s. lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed)