SAT
问题描述：
SAT
pat made the descent with unsually cauntion,placing each foot first tentatively,than firmly,
答
派德(Pat) 下坡时异常小心,先一脚试踮而後牢牢地立定脚跟(再前进).哦，pat是人名，descent是下坡，两个词都理解错了，难怪整句话看不懂，谢啦