词汇	walk one block
释义	walk one block 走一个街区
随便看	building season building section building sector building security building seismic building seismic design building self-esteem buildings energy consumption buildings energy saving buildings energy-saving building.s energy saving building separation buildings equipment building service building service chute building service department building service design building service expense building service expenses building services building services engineering management msc building services tender price index building service system building setback building setback line