To evaluate the risks of infection, the study team flew on 10 different flights in the U. S. during the flu season.

为了评估感染的风险，研究小组于流感季节在美国乘坐了10次不同的航班。

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The AEHF team is led by the U. S. Air Force Military Satellite Communications Systems Wing at the Space and Missile Systems Center, Los Angeles Air Force Base, Calif.

AEHF团队由美国空军军事卫星通信系统部门领导，地点在洛杉矶空军基地的太空导弹系统中心。

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To explore this underwater world, Thatje and his team of U. S. and Swedish scientists towed an autonomous underwater vehicle (AUV) that scanned the seafloor with a digital camera.

为了探索这片水下世界，Thaje和他的美国和瑞典科学家团队带上了一架自动水下载具(auv)，可以用数码照相机扫面海床。

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A team has arrived from U.S.-based Boeing Aircraft to assist in efforts to determine the cause of the crash.

VOA: standard.2010.05.23

On Sunday, the United States overpowered China, coming on a power play against the U.S.team's back-up goaltender in the final three minutes.

VOA: standard.2010.02.15

U.S.fans everywhere were joyous after the underdog American team eked out a 1-1 draw with powerhouse England.

VOA: standard.2010.06.13

The U.S. U-23 team missed out on qualifying for the Olympics.

FORBES: The U.S. Men's Soccer Team Tries To Keep Up With Its Big Sisters

According to the U.S. account, a 150-man U.S.-Afghan commando team near the Pakistan border came under attack and called in air support.

WSJ: U.S. Apologizes to Pakistan, Says Supply Routes to Reopen

About a half-hour after the U.S. men's team botched its handoff, the U.S. 4 x 100-meter women's team dropped the baton and headed for the exits, too.

WSJ: Social Media