导读:一架B-52轰炸机起飞后不久在关岛的美军基地坠毁，事发后所有的七名机组人员安全离开。
A B-52 bomber has crashed shortly after take-off at a US base in Guam, the US Air Force says.
一架B-52轰炸机起飞后不久在关岛的美军基地坠毁，美国空军说。
It says all seven crew members safely left the aircraft after the incident at 08:30 local time (22:30 GMT Wednesday) at Andersen Air Force base.
事发于当地时间08:30，在安德森空军基地，事发后所有的七名机组人员安全离开。
The US Air Force told the BBC it was treating the incident as a "mishap".
美国空军告知BBC，把这一事件作为“事故”处理。
The bomber was deployed to the US island territory from North Dakota as part of the military’s continuous presence in the Pacific.
作为在太平洋军事实力的持续性彰显，该轰炸机从北达科他州被部署到该美国岛屿。
Local news site Kuam quoted the Guam governor’s office as saying: "We assure the public this does not appear to be an attack."
当地新闻网站关岛网引述关岛政府办公室的话说：“我们向公众保证，这不是一起袭击。”
The crew members from the 69th Expeditionary Bomb Squadron were on a routine training mission, the Air Force said in a statement.
从第69远征炸弹分谴舰队的机组成员当时在进行例行训练任务，美国空军在一份声明中说。
It said steps were being taken to minimise the environmental impact, without providing further details.
并说，正在采取措施尽量减少对环境的影响，但没有提供进一步的细节。
B-52s are still going strong after 60 years in service in the US military - from Vietnam to Afghanistan.
经过在美军60年的服役，B-52轰炸机依然强劲——从越南到阿富汗都被使用。
Their main function is to provide the US with immediate conventional and nuclear global strike capability.
它们的主要功能是向美国提供即时的常规和核武器的全球打击能力。
Guam is a US territory in Micronesia in the western Pacific, about 6,000km (3,700 miles) west of Hawaii.
关岛是美国在西太平洋密克罗尼西亚的领土，坐落于离夏威夷以西大约6000公里（3700英里）。
The US Army’s bases there are considered among the most strategically important in the region.
美军基地被认为是在该地区最重要的战略考虑部分。
In 2008, six crew members died when a B-52 crashed into the sea near Guam.
2008年，一架B52的6名机组人员在关岛附近坠海身亡。
