Cholecalciferol is produced by irradiation of 7-dehydrocholesterol with ultraviolet light either from the sun or from an artificial source.
胆钙化醇是7?脱氢胆固醇经日
工来源的紫外线照射而产生的。
Cholecalciferol is produced by irradiation of 7-dehydrocholesterol with ultraviolet light either from the sun or from an artificial source.
胆钙化醇是7?脱氢胆固醇经日工来源的紫外线照射而产生的。
声明：以
例句、词性
类均由互联网资源自动生
，
未经过
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。
