词汇	Grazing yak
释义	Grazing yak 放牧牦牛
随便看	operating expense book operating expense budget operating expense deduction operating expense ledger operating expense ratio operating expenses operating expenses for aiding agriculture operating experience operating experience feedback Operating exposure operating face operating facilities operating factor operating factor of highband operating failure operating feature operating field operating file operating fixed assets operating flexibility operating flexibility of tray Operating Flight Strength Diagram operating floor operating floor plan operating flow