美国维吉尼亚州汉普顿大学的詹姆斯·拉塞尔没有参与这次研究，他说，增加的紫外光可能会分解高层大气中的水分子。
Increased UV light may break down water molecules in the upper atmosphere, reducing cloud formation, says James Russell of Hampton University in Virginia, who was not involved in the study.
在维吉尼亚州汉普顿的兰利-尤斯提斯联合空军基地发表讲话是米歇尔在奥巴马这次大巴巡回活动中首次公开亮相。
The speech at Joint Base Langley-Eustis in Hampton, Virginia, was Michelle Obama's first public appearance on the President's bus tour.
应用推荐