He says that, when researchers changed the magnetic field, the butterflies were no longer able to find their way.

VOA: special.2010.04.27

They live much longer lives and they live to die of something else and the leading causes of death currently haven't changed very much since 1997 when this data was published: they die of heart disease and cancer primarily.

人们活的更久了,不过会死于另一些疾病,如今导致死亡的主要原因,并没有太大的变化,自一九九七年有相关数据公开开始,其显示人们主要死于心脏病和癌症

耶鲁公开课 - 生物医学工程探索课程节选

sort of changed, when I got into the work force to trying to work on, international issues.

当我进入工作社会， 我想做与国际事务有关的工作。

换专业的理由 - SpeakingMax英语口语达人

However,that opinion changed when manufacturers learned how to make better and less costly versions of Mister Harrison's clocks.

VOA: special.2010.07.14

When he began performing, he changed his last name to Denver, after the capital of his favorite state,Colorado.

VOA: special.2009.07.10

American popular music changed forever fifty years ago when Berry Gordy,Junior started a record company in Detroit,Michigan.

VOA: special.2009.05.11

Things changed in nineteen sixty-eight when Rand discovered Branden having a sexual relationship with a younger student.

VOA: special.2010.06.06

Scientist Zahi Hawass had led the Supreme Council of Antiquities for years when the government changed.

VOA: special.2011.03.08

The president will soon offer some idea of how much his plans have or have not changed when he gives his State of the Union speech.

VOA: special.2011.01.10

She said that when she left office, that had changed.

VOA: special.2010.04.09

That all changed,though, when a nonprofit group began to rehabilitate the historic area.

VOA: standard.2010.03.18

But in 2008 life changed for about 55 families in Penjaringan when the international aid organization Mercy Corps installed a separate tank and ran water lines to households able to pay the $20 start-up fee.

VOA: standard.2010.08.04

Earlier this week, Kasab took lawyers by surprise when he changed his plea to guilty and admitted that he sprayed gunfire at Mumbai's main train station after arriving in the city from Pakistan with other nine other gunmen.

VOA: standard.2009.07.23

"BP actually when they merged with Amoco some years ago, the profile of the employees within the organization changed significantly and now for every British employee of BP there are two and a half Americans working for BP."

VOA: standard.2010.06.18