It's a secret number so that if Julius Caesar scrambled his message with the key 13, well, then the recipient had better know what that number is or realistically, -- and this is why it's kind of hard to buy -- into some of these age old algorithms, -- what would an alternative approach be to figuring out Julius Caesar's messages to his generals if he didn't know that secret number was 13?

它是一个机密的数字，以至于,如果凯撒大帝使用密钥13加密了它的消息，然后接收者最好知道那个数字是什么,实际上--这就是为什么很难,破解这些古老的算法-,有什么变换方法使凯撒大帝的将军,可以解密凯撒大帝的消息，如果他不知道,那个机密数字是13呢？

哈佛公开课 - 计算机科学课程节选

When they left, Julius Caesar, out of his own pocket, gave every soldier in those legions a year's pay.

他们离开时，恺撒用自己的钱，给那些士兵发了一年的俸禄。

耶鲁公开课 - 新约课程节选

The best example is when Julius Caesar has made himself master of Rome, but he's still behaving as though the republic exists.

于此最好的例子是,当尤利乌斯·恺撒成为罗马的统治者时,他仍然表现得仿佛共和体制仍存在似的

耶鲁公开课 - 古希腊历史简介课程节选

He had adopted another Roman, Octavian, and Julius Caesar's adopted son, Octavian, then formed an alliance with Mark Antony, who had been Julius Caesar's friend, and a lesser known figure named Lepidus, whom you don't really need to remember.

恺撒有个养子，屋大维，他与恺撒的朋友，马克·安东尼结成后三头同盟，还有一方大家比较陌生，是雷必达，这个名字不用记。

耶鲁公开课 - 新约课程节选