单词	pencil of curves
释义	pencil of curves 曲线束
随便看	economic application economic appraisal economic arbitration economic area economic argument economic arguments economic arteries economic arterys economicas economic aspect economic aspects economic assessment of natural resources economic asset economic assets economic assigned generation economic assistance economic assistance given on favorable terms economic assistance given on liberal terms economic assistance project economic association economic associations Economic assumptions economic atmosphere economic austerity economic autonomy 鱍鱎鱐鱕鱝鱢鱥鱦鱬鱮精神主義精神分析精神分裂病精神力精神労働精神年齢精神病精神的精神科学精神薄弱