underground
英 /ˈʌndəgraund/
中文释义
a.地下的；秘密的
Located below the surface or referring to secretive activities.
常用搭配
- underground station地铁站
- underground water地下水
- underground movement地下运动
例句
- We took the underground to the city centre.我们坐地铁到市中心。
- The startup ran an underground campaign before launch.这家初创公司在发布前搞了场秘密宣传。