芯是酸的
我来回答你的追问吧回顾历史，我们会得出很多经验和教训。experience做“经验”讲是不可数的，做“经历”讲才是可数的。所以翻译是这样的 Reviewing the history,we will draw a lot of experience and lessons. moral 是道德的意思
蚊防四宝
lesson n.教训；课，功课，课业；榜样，典范vt.教训，告诫，训斥；给 ... 上课We should learn this lesson by heart. 我们应当记住这一教训。That accident taught them a lesson.那次事故给了他们一个教训。The bitter lesson is branded on his memory.那个惨痛的教训深深铭刻在他记忆中。
laijiaying4
教训 [词典] lesson; moral; teach sb. a lesson; give sb. a talking-to; indoctrinate; [例句]这个事故为我们提供了有益的教训。This accident affords us a useful lesson.
画布大小
英文是：teach sb. a lesson。例句：The teacher took away my comic books to teach me a lesson. 老师为了给我个教训，把我的漫画书拿走了。解释：teach 英[ti:tʃ] 美[titʃ] vt. 教; 教授; 教导，训练; vi. 教书; [例句]The trainers have a programme to teach them vocational skills培训师计划教他们一些职业技能。lesson 英[ˈlesn] 美[ˈlɛsən] n. 功课; 教训，训诫; 课程，一堂课; [宗] 日课; vt. 教训，训斥; 教课; 向…授课; [例句]It would be his last French lesson for months这将是他以后几个月里的最后一堂法语课。
