考尔德从小就对制造东西感兴趣。

Calder became interested in making things when he was a child.

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“我知道我想成为一名工程师，因为我喜欢制造东西来帮助解决世界问题。”杜说。

"I know I want to be an engineer because I like building things to help solve world problems," says Du.

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因此，我开始对制造东西产生了终生的兴趣。

Thus, I began my lifelong interest in making things.

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If we build an engine for a car or anything else, it almost always is going to have some key element that's operating in a cycle, otherwise it won't keep going, right.

如果我们为一辆汽车，或其他什么东西制造一台引擎,它总要有一些关键，要素来形成循环。

麻省理工公开课 - 热力学与动力学课程节选

At the end of the day this is all about equipping you with skills and knowledge and understanding with which to take a problem, take a large data set maybe and actually produce something useful-- produce a project that is of interest to you.

下午放学后,就用学到的技能，知识和理解力来,解决问题，或者处理超大数据集,或制造一些有用的东西-,例如发起一个你们感兴趣的项目。

哈佛公开课 - 计算机科学课程节选

They're studying practical things like marble work, and metal work, and copper work, and not just shipbuilding.

他们学习一些实用的东西,比如大理石打磨,金属冶炼和铜器制造,并且不仅仅是造船术

耶鲁公开课 - 欧洲文明课程节选