词汇	specific death rate
释义	specific death rate 死亡专率
随便看	a lump of sugar a lump of sugar lump a lump on head A lump or chunk A lump or chunk,especially of earth or clay A lump or chunk, especially of earth or clay alum potash alumpotash alum alum potash toxoid alum potassium alum-potassium alum potassium chrome alum poultice alum powder A lump payment alum precipitate alum precipitated alum precipitated allergenic extracts alum-precipitated allergenic extracts alum precipitated antigen alum-precipitated antigen alum precipitated diphtheria toxoid alum precipitated pertussis vaccine alum precipitated poison ivy extract alum precipitated protein