You could see their mistakes if they're trying to repeat back something that's already known within a society.

如果他们试图重复,被社会所熟知的某些东西,那你就可以看到他们的错误了

耶鲁公开课 - 心理学导论课程节选

They often have exercises that you can repeat back.

那里的练习你可以跳回去再做。

在外国说英语的方法 - SpeakingMax英语口语达人

These are the only countries that I've been able to find that have high-quality, repeat sales price indexes going back a hundred years.

只有这三个国家,在100年前就已经出现,优质的重复销售价格指数

耶鲁公开课 - 金融市场课程节选

In terms of function they're very important because this stem cell which is produced goes back into the population of stem cells and is able to repeat this process to form new committed progenitor cells and to form new stem cells.

但就功能而言这些干细胞则至关重要,因为这类分裂产生的子细胞,依然是干细胞,可以再次重复上述步骤,生成新的定向祖细胞,和新的干细胞

耶鲁公开课 - 生物医学工程探索课程节选