Aviation analysts say the sharp volcanic particles can damage a jet engine or cause it to shut down in mid air.

VOA: standard.2010.04.15

Maybe do the JET program in a couple of years when I'm graduated.

也许我毕业以后会参加日本交流和教学计划项目。

身为大学生很快乐 - SpeakingMax英语口语达人

He is also believed to have been involved in a botched attempt to shoot down an Israeli charter jet leaving the Mombasa airport the same day.

VOA: standard.2009.09.17

But he says December's incident in which a Nigerian man boarded a jet headed for Detroit with explosives hidden in his underwear shows that more work lies ahead.

VOA: standard.2010.06.05

The level of criticism has reached new heights in the weeks following the attempted Christmas Day bombing of a Northwest Airlines jet as it was preparing to land in Detroit,Michigan.

VOA: standard.2010.02.07

"Today's modern car is in a way more sophisticated than a fighter jet in terms of the computers that are in it but we don't have any reassurance as to what standards went into designing the computer software that goes into those vehicles."

VOA: standard.2010.03.04