The Kepler space telescope looks for planets by measuring tiny decreases in the brightness of stars when planets cross in front of them.

VOA: special.2011.02.09

So you have three main trade routes that cross the country, and they were used by trading caravans that would carry gold and grain and spices and textiles and other goods between Egypt and the rest of the Fertile Crescent and up into Asia Minor.

你有三条主要道路穿过这个国家，他们被通商的车队所使用,驮着金子，谷物，香料，纺织品和其他货物,在埃及与其他肥沃的伊斯兰教国家间,向上到达小亚细亚。

耶鲁公开课 - 旧约导论课程节选

We've talked about killing a virus by cross-linking it, for example, to make a substance that looks like a vaccine-- looks like a virus but can't replicate.

例如,我们谈论过,通过蛋白交联来杀死病毒,以便制造出一种类似疫苗,应该是类似病毒但却无法进行复制的物质

耶鲁公开课 - 生物医学工程探索课程节选

The government agreed to close a road used by whites to cross the hunting grounds.

VOA: special.2010.04.01

So, the number of nuclei, 119 if we were to sit and count these as well, is 119. So, we'll multiply that by just pi, r squared, to get that cross-section, and divide all of that by 1 . 39 meters squared.

如果你们数的话，原子核的数是，我们用它乘以πr的平方，得到横截面积，除以1。39平方米。

麻省理工公开课 - 化学原理课程节选

Nordic combined is ski jumping followed by a cross country ski race.

VOA: special.2010.02.26

But a poll,commissioned by the American Red Cross, indicates 20 percent of Americans plan to reduce their charitable contributions.

VOA: standard.2009.12.16

There they will meet with representatives from Pyongyang to discuss the resumption of family reunions, overseen by the Korean Red Cross.

VOA: standard.2009.08.26

The items will be distributed by the Red Cross. The U.S.has also been using military planes to transport rescue workers and supplies.

VOA: standard.2009.10.06

So Principal Trial Attorney Brenda Hollis opened her cross-examination by asking Mr.Taylor: Who is lying?

VOA: standard.2009.11.10

The incident raised fears of another war. In 2006,a deadly cross-border raid by Hezbollah guerrillas sparked a 34-day Israeli air and ground assault on Lebanon.

VOA: standard.2010.08.05

The reunions getting underway are the 17th in a series organized by the Red Cross.

VOA: standard.2009.09.26

Gilad Shalit was captured by Hamas militants in a cross-border raid more than three years ago and has been held in the Gaza Strip ever since.

VOA: standard.2009.10.03

Speaking by telephone from Kuala Lumpur,Malaysia, he told VOA this staggering amount of money allowed the Red Cross to undertake the biggest permanent housing program in its history.

VOA: standard.2009.12.26

At least 25 people have been killed by flooding in Ghana, where the local Red Cross society is helping vulnerable families with tarps,blankets,kitchen sets, sleeping mats,soap, and jerry cans.

VOA: standard.2009.09.06

Israel had hoped that negotiations on what Palestinians call the siege of Gaza would result in the release of Israeli soldier Gilad Shalit, who was captured by Gaza-based militants in a cross-border raid into Israel in 2006.

VOA: standard.2010.06.10