为了推算孪生子的衰老，引入原时概念是有用的。

To calculate the aging of the twin, it is useful to introduce the concept of proper time.

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美国大众医疗新闻网站当水温达到杀死你洗衣机内的尘螨和其它过敏原时，温度越高越好。

Hotter is better when it comes to killing dust mites and other allergens in your laundry.

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食物过敏的人建议必须时刻带上装有肾上腺素和抗组织胺注射的急救包，以便偶然摄入过敏原时使用。

The person suffering from food allergy must always carry a first aid kit containing adrenaline and antihistamine injections in case of accidental intake of the allergens.

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Okay, so when you are working with source material that looks like this, there is in fact no such thing as infinite zoom in computer science.

当我们处理,这样的原数据时，事实上计算机科学中,并不存在无限放大。

哈佛公开课 - 计算机科学课程节选

When I look for it here I'm going to see two pieces, one that's nearly the same length and one that's much shorter.

当我去找时,就找到两个片段,一个片段差不多就是原长,另一个则短得多

耶鲁公开课 - 生物医学工程探索课程节选