An Amercian scientific research facility opens a portal to a hostile alien world, who begin to invadAn暂无内容Amercian暂无内容scientific暂无内容research暂无内容facility暂无内容opens暂无内容a暂无内容portal暂无内容to暂无内容a暂无内容hostile暂无内容alien暂无内容world,暂无内容who暂无内容begin暂无内容to暂无内容invade暂无内容the暂无内容earth.详情