alien invasion

基本解释

When people heard that an invasion by aliens from Mars was underway, there was a wave of mass hysteria.
当人们听说火星要入侵时，大众的恐慌情绪高涨。
She feared for Hapes, for though it had been spared from the initial Yuuzhan Vong invasion route, the worlds of the Consortium were becoming an increasingly tempting target for the brutal aliens.
她为海皮斯的安危而担忧。虽然海皮斯并不处在遇战疯一开始的入侵路线上，但这群残忍的异星人对进攻海皮斯联盟的各个星球正越来越有兴趣。
starwarsfans.cn
Dr. Malley has been touring the globe, speaking to governments about the ongoing alien invasion (which he believes will last until December 2015) and how to best confront the aliens.Â
马利博士已经巡回世界各地，游说政府正在发生的外星入侵(他认为将持续到2015年12月)，以及如何更好地对抗外星人。
blog.sina.com.cn

Now the larger-than-life insanity of the Saints series gets a new twist with a catastrophic alien invasion, and the aliens have transported the Saints to a bizarro-Steelport simulation.
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