| 释义 | 
		undergrounds是underground的复数 underground美 [ˈʌndərˌɡraʊnd]  英 [ˌʌndə(r)ˈɡraʊnd]  - adj.地下的;隐蔽的;实验性的;地下组织的
 - n.英式英语用法;地下活动;先锋派团体;地下通道
 - adv.在地下;悄悄地
 
 adj.  | 1. located, happening, or operating beneath the surface of the earth 2. concealed and done in secret 3. separate from a prevailing social or artistic environment, and often exercising a subversive influence 4. of the secret organization 1. located, happening, or operating beneath the surface of the earth 2. concealed and done in secret 3. separate from a prevailing social or artistic environment, and often exercising a subversive influence 4. of the secret organization  |  n.  | 1. a railway system that runs below ground, mainly used in British English 2. a secret movement that aims to overthrow a government or fight against an occupying enemy 3. a movement or group that is separate from the prevailing social or artistic environment and often exerts a subversive influence 4. a subterranean space or channel 1. a railway system that runs below ground, mainly used in British English 2. a secret movement that aims to overthrow a government or fight against an occupying enemy 3. a movement or group that is separate from the prevailing social or artistic environment and often exerts a subversive influence 4. a subterranean space or channel  |  adv.  | 1. below the surface of the ground  |  
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