it is often said that"you cannot teach an old dog new skill",but是翻全文

来源：学生作业学帮网 编辑：学帮网 时间：2024/05/28 06:29:28

it is often said that"you cannot teach an old dog new skill",but
是翻全文

人们常说,“你不能教老狗学新技能”,但