Cholecalciferol is produced by irradiation of 7-dehydrocholesterol with ultraviolet light either from the sun or from an artificial source.
化醇是7?脱氢固醇经日光或人工来源的紫
线照射而产生的。
线Cholecalciferol is produced by irradiation of 7-dehydrocholesterol with ultraviolet light either from the sun or from an artificial source.
化醇是7?脱氢固醇经日光或人工来源的紫线照射而产生的。
声明：以上例句、词性分类均
网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
