The riders and horses undergo rigorous training, including how to deal with the public in a variety of situations such as huge crowds of Olympic fans.

VOA: standard.2010.02.25

The last eight lines announce the course of this new poet's life -announce the fact that this poet's course in life is about to undergo a drastic change.

最后8行预示了这位新生诗人的生命轨迹,预示着他的生命轨迹,将要发生惊天动地的变化。

耶鲁公开课 - 弥尔顿课程节选

The same thing with these cells here, as these cells undergo continual divisions, they're changing in ways that make them mature, that make them more like the mature cells of the nervous system, for example, if that's where they end up being but they're losing potential as they go through that differentiation process.

细胞也是这样,在连续分裂的过程中,它们愈发成熟,比如说,变得越来越像,神经系统细胞,如果它们最终将构成神经系统的话,那它们在分化的过程中,就失去了许多潜能

耶鲁公开课 - 生物医学工程探索课程节选

"What we found is that live donation is very safe, the risk of dying from donating a kidney is 3 in 10,000 which is much lower than the risk of almost any other operation that you can undergo."

VOA: standard.2010.03.11