单词	concrete ability
释义	concrete ability 具体能力
随便看	underground stream under-ground stream underground street underground streets underground structural mechanics underground structure underground structure engineering underground structure group underground structure group construction underground structures under ground structures underground structure seepage-proof underground struggle underground substation underground sub-station undergroundsubterraneanstream underground subterranean stream Underground subway underground successive wall underground supermarket underground surface right underground survey underground surveying underground system underground system structure