the beginning of the first month of spring
立春:春天的第一个月的开始
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Luoxia Hong changed the old calendar and made the first month of spring as the beginning of a year, which was employed by Emperor Wu of han.
落下闳在制定太初历时，改变了旧的历日制度，规定每年以孟春正月朔日为岁首，被汉武帝采用。
youdao
应用推荐
模块上移
模块下移
不移动