学生们将可以在英语、法语和俄语中任选一门作为他们的第一外语。

Students will be able to choose between English, French and Russian as their first foreign language.

《柯林斯英汉双解大词典》

4月2日，我们告别了天宫一号——中国的第一个空间实验室。

On April 2, we said goodbye to Tiangong I, China's first space lab.

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亚历山德拉的第一次公开展览是在洛杉矶一家公共图书馆举行的，当时她只有8岁。

Alexandra's first public show was held at a Los Angeles public library when she was only eight years old.

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This diagram is, I think, the most famous diagram in all of financial theory and it's actually the first theoretical diagram.

我认为这张图表，是金融学理论中最有名的一幅图了,也是第一幅理论图形。

耶鲁公开课 - 金融市场课程节选

So all of Book I is really a kind of warm up for what follows in the rest of the book.

所以整个第一册其实是,类似一种为往后各册所做的暖身。

耶鲁公开课 - 政治哲学导论课程节选

I know this is a simple example, but when you mature as a programmer, one of the first things you should do when you sit down to tackle some problem is write something like this pseudo code.

我知道这是个很简单的例子，但是当你们成长为一名程序员后，当你们碰到问题后第一件事情就是,该写一些类似于,伪代码的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选