so far as a function
of set aside figure as pass
into oblivion project onto lie in
more or less all but break down Nuclear warheads once ______ the ultimate deterrent to other superpowers, but the emergence of ballistic missile defense systems is weakening its effectiveness.
核弹头曾经扮演了对其他霸权产生终极威慑的角色，但随着导弹防御系统的出现这种效应正在大打折扣。