在二十世纪九十年代苏联解体后，美国卫星影像观测到了此处进行的大型发掘工程，而那时正值鲍里斯? 叶利钦（Boris Yeltsin）亲西方时期。

Large excavation projects have been observed by U.S. satellite imagery as recently as the late 1990s, during the time of Boris Yeltsin’s pro-Western government after the fall of the Soviet Union.

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纳米粒子已经用于化妆品行业，且正被开发用于药物递送，影像诊断和组织工程等领域，这里仅仅才列举了几例应用。

Nanoparticles are already used in the cosmetics industry and are being developed for drug delivery, diagnostic imaging and tissue engineering, to name only a few applications.

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德国的电子和工程巨头西门子，最近发布了一套超声波扫描仪，可以让孕妇看到待产胎儿的3维影像。

And Siemens, a German electronics and engineering giant, recently launched an ultrasound scanner which allows expectant mothers to see their unborn child in 3-d.

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Now, I've highlighted three of these in blue here, imaging, mechanics, and biomolecular engineering because if you go on to study Biomedical Engineering here at Yale anyway, these are the things that you might pick to emphasize on.

我把这三条用蓝色字强调出来,影像学,生物机械学,和生物分子工程,如果你们继续在耶鲁学习生物医学工程,这些内容是你们必须重点掌握的

耶鲁公开课 - 生物医学工程探索课程节选