词汇	I just aced the test
释义	I just aced the test. 那简直太棒了！
随便看	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 underground tank underground target underground teaching evaluation