单词	plumbocolumbite
释义	plumbocolumbite 铅铌铁矿
随便看	grain to straw ratio grain trade grain transverse volumetric upset-ting moment grain transverse volumetric upsetting moment grain traveler grain traveller grain trier grain trough grain type cracking grain unit grain unit scale grain unloader grain unloading auger grain upsetting grain upsetting arm grain variety grain volume grainvore Grain Voyage Charter Party grain warehouse grain washer grain web thickness grain weevil grain weevils grain weight 牧大和三年牧童敲火牛砺角牧童遥指杏花村牧野檀车牧马役亦轻牧马群嘶边草绿物外趣多别物性固莫夺物换星移几度秋物是人非事事休谦恭谦称谦虚谦让谦词谦谢谦谦君子谦辞谦逊谦顺