以下图片是用扫描电子显微镜，利用电子光束跟踪物体表面制作而成。由此拍摄出的黑白图像经着色后反映出虫卵的自然外观。

The images were made with a scanning electron microscope, which uses beams of electrons to trace the surfaces of objects.

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印第安纳州普渡大学（Purdue University）的南希.何（Nancy Ho）已经研制出一种途径，使得酵母细胞能够发酵那些经分解植物纤维素而得的糖，而天然的酵母是不能发酵这些纤维素的。

Nancy Ho, of Purdue University, in Indiana, has already worked out a way to enable yeast cells to ferment the sugars produced by breaking down cellulose—which natural yeast cannot do.

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由此拍摄出的黑白图像经着色后反映出虫卵的自然外观。

The resulting black-and-white images were then colored to reflect the eggs’ natural appearance

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I'm going to let you try to figure that out qualitatively without doing any math.

我希望你们能不经数学运算,而定性判断出结论。

麻省理工公开课 - 热力学与动力学课程节选

Particularly, if we took advantage of the fact that this is a virus that's easily transmitted orally and could you make a vaccine that would be effective orally as well, that would be a tremendous advantage, especially in children who don't like to get shots.

尤其是,如果我们可以利用这种病毒,很容易经口传播这一事实,制造出一种,可以通过口服而起到同样效果的疫苗,那么这将是一个巨大的飞跃,特别是对于那些不喜欢打针的孩子

耶鲁公开课 - 生物医学工程探索课程节选