Their first problem was crossing over a huge mountain.

VOA: special.2009.02.11

Following a transformation the study of which is not the concern of the social sciences but rather of biology and psychology, a crossing over came about from a stage where nothing had a meaning to another where everything possessed it.

这门学科并不属社会科学的范畴,而是属于生物学，心理学，此种转变是一种跨越，从一个什么都没有意义的时代到,一个每样东西都能表达的时代的。

耶鲁公开课 - 文学理论导论课程节选

So, for example, if we're to hold the time constant, this makes it a lot simpler of an equation, because what we can end up doing is actually crossing out this whole term here.

比如说，如果我们把时间,定为常数，这使得方程,大大简化，因为我们可以把,这一项划掉。

麻省理工公开课 - 化学原理课程节选

"Whenever there is an operation close to the border area where there is a possibility of either exchange of firing or crossing.

VOA: standard.2009.07.04

Milton's performing a similar boundary-crossing aesthetic gesture here.

弥尔顿在他的作品中也展现了这种美学上的边界交叉。

耶鲁公开课 - 弥尔顿课程节选

And with fewer Asian Carp crossing his nets, Isaak hopes normalcy will return to a way of life he has known since the age of ten.

VOA: standard.2010.07.19

She was a woman and she met men crossing the bridge.

助手是一个女人，她和过桥的男人会面。

耶鲁公开课 - 心理学导论课程节选

Mahecic says in the past five days, arrived in Yemen after crossing the Gulf of Aden from the Horn of Africa, a region beset by conflict, political instability, famine and drought.

VOA: standard.2009.09.01

After crossing, the Israelites then celebrate the Passover, and that makes a strong link then to the Exodus led by Moses, also at the time of the first Passover. Moses had a vision of God at the burning bush. He was told to remove his shoes, his sandals, because he was on holy ground.

过河后，以色列人庆祝逾越节，这与,在出埃及记中的摩西有鲜明的联系，也是在第一次,逾越节摩西在燃烧的树丛中看见了上帝他被要求,脱掉鞋子，他的草鞋，因为他站在圣土上。

耶鲁公开课 - 旧约导论课程节选

"I was in New York this year watching the Thanksgiving parade and here it was: Shrek,a big balloon just crossing in front of my window and behind him was Mickey Mouse.

VOA: standard.2010.05.27

So that crossing point actually occurs at a - c over 3b.

因此交点确实是/3b

耶鲁公开课 - 博弈论课程节选

The LRA began intensifying civilian attacks in the DRC a year ago, but the group is now regularly crossing the border into neighboring Central African Republic and the Western Equatorial region of southern Sudan.

VOA: standard.2009.08.27