underground

美音音标: [ˌʌndə(r)'ɡraʊnd] underground
英音音标: [ˌʌndə(r)'ɡraʊnd] result.0.expl|add:"

同义
resistance underground
词性
n
解释
a secret group organized to overthrow a government or occupation force
示例
None

同义
metro tube underground subway subway system
词性
n
解释
an electric railway operating below the surface of the ground (usually in a city)
示例
in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'

同义
underground
词性
r
解释
in or into hiding or secret operation
示例
the organization was driven underground

同义
underground
词性
r
解释
beneath the surface of the earth
示例
water flowing underground

同义
underground belowground
词性
s
解释
under the level of the ground
示例
belowground storage areas|underground caverns

同义
clandestine cloak-and-dagger hole-and-corner hugger-mugger hush-hush secret surreptitious undercover underground
词性
s
解释
conducted with or marked by hidden aims or methods
示例
clandestine intelligence operations|cloak-and-dagger activities behind enemy lines|hole-and-corner intrigue|secret missions|a secret agent|secret sales of arms|surreptitious mobilization of troops|an undercover investigation|underground resistance