These days, it is not unusual for 10-to 12-year-olds to publish their own websites or for second and third graders to begin computer classes.

如今，10到12岁的孩子发布自己的网站，二、三年级的学生开始上计算机课，已经不是什么新鲜事了。

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The first is a software engineering course that most of our computer science majors take in their second or third year.

第一部分是大多数计算机科学专业在第二年或第三年要修的软件工程学课程。

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I am amazed by how many students get to the second or third year of a computer science program and do not know much about source code management (SCM).

我很惊讶于有那么多的学生在进入第二年或者第三年的计算机科学编程学习时仍然对于代码管理(SCM)知之甚少。

youdao

Last year for the pieces that do vary year to year a bit, last year's first problem set challenged students to write their first or maybe second or third program using this environment called Scratch.

去年的教材有些地方有略微改动，去年的第一个问题集是让学生,在Scratch环境下,写下自己的第一或第二个或第三个程序。

哈佛公开课 - 计算机科学课程节选

Unpaid amounts will be cut if returns fall short in the second or third year.

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However, it will take a second or third year of bad drought for food prices to really have a persistent impact.

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They're the soldiers I met in Baghdad who have done their duty, year after year, on a second, third or fourth tour.

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