A teacher may use it when she walks into a room where the students are playing and talking, instead of studying.
VOA: special.2009.01.11
A month later, on the morning of May fifth, American Navy pilot Alan Shepard crawled into his little Mercury spacecraft.
VOA: special.2009.06.17
Some researchers believe that bio-printers may one day be able to print organs directly into the body.
VOA: special.2010.10.19
As asthma sufferers struggle to get air into their lungs, they may begin to cough a lot.
VOA: special.2009.07.28
Or so it may seem. Yet competition to get into the best colleges is fiercer than ever.
VOA: special.2009.03.12
When passengers leave the boat, they can drive their cars eight kilometers into Cape May.
VOA: special.2009.06.01
But people may worry about getting sick from blowing into a stranger's mouth.
VOA: special.2009.06.09
High levels of domoic acid in the sardines may have worsened the effects of oxygen loss in the water as the fish crowded into a limited space.
VOA: special.2011.03.15
Yet most of that water may be lost through evaporation into the air.
VOA: special.2010.07.13
Passengers can see it as the ferry pulls into Cape May Port.
VOA: special.2009.06.01
The gas may then turn into something else such as carbon dioxide.
VOA: special.2009.12.30
The image of a man on a boat, white mane tousled, smiling broadly as he sails into the wind, ready for what storms may come, carrying on toward some new and wondrous place just beyond the horizon."
VOA: special.2009.09.13
"They may not be on the streets begging or they may not be turning into criminals, but it's there.
VOA: standard.2010.02.25
Administration officials say funds are flowing into the U.S.economy, but real job creation may not be seen until the beginning of next year.
VOA: standard.2009.07.02
应用推荐