单词	terrace ridge
释义	terrace ridge 阶地脊
随便看	operation revenue operation right Operation Right Negotiation Reform operation rigister operation risk operation risk management operation risk measure operation rood choice operation room Operation room cleaning operation room information system Operation room nursing Operation-room nursing operation room of surgery center operation route operation routine operation routing operation rule Operation rule of inverse system Operation rules operations operations administration and management operation safety operation safety assessment and review team operation safety management