对一个主权国家进行先发制人的攻击会引起道德和法律上的争议。
A preemptive strike against a sovereign nation raises moral and legal issues.
他们决定发动先发制人的攻击。
电子战发动很快，且偏好先发制人的攻击方式，几乎没有时间留给你冷静应对。
The speed with which electronic attacks could be launched gives little time for cool-headed reflection and favours early, even preemptive, attack.
应用推荐