双减的英语是Double reduction policy。
例句：
双减”直接限制了学科类校外培训机构的规模，缩减了其进行课外培训的时长，对校外培训机构而言可谓是影响巨大。然而，治教培机构易，治教育焦虑难。
"Double reduction" directly limits the scale of discipline after-school training institutions and reduces the length of extracurricular training, which has a great impact on after-school training institutions.
However, it is easy to treat education and training institutions, but difficult to treat education anxiety.
重点词汇：
discipline训练;训导;纪律;风纪;训练方法;行为准则;符合准则的行为;自制力;遵守纪律;知识领域;惩罚;处罚;管教;自我控制;严格要求。
after-school课外的;放学后的。
institutions机构;慈善机构;社会福利机构;风俗习惯，制度;institution的复数。
reduces减少，缩小;蒸发;减轻体重;节食;reduce的第三人称单数。
extracurricular课外的;工作之余的。
impact on影响;对…冲击，碰撞;对…之影响。