doomsday clock

基本解释

After cold war ends, as dimensions of super nucleus arsenal contractible, the expert thinks " doomsday clock " lost revelatory sense.
冷战结束后，随着超级核武库规模的缩小，有专家认为“末日钟”失去了启示意义。
The Bulletin of the Atomic Scientists created the famous "Doomsday Clock" in 1947 to convey how close humanity is to "catastrophic destruction."
在1947年，原子科学家公共创造了“世界末日之钟”来传达“灾难性的毁灭”离人类到底有多近。
The Doomsday Clock isn't a clock and it doesn't keep time. It's a metaphor introduced by The Bulletin of the Atomic Scientists to gauge public safety.
末日时钟并不是真正的计时钟表，而是一面虚构的钟面，由芝加哥大学的《原子科学家公报》杂志于1947年设立，以标示出世界受核武威胁的程度。

In Japan, the demographic clock is already ticking toward a kind of demographic doomsday.
FORBES: Decline Of The Asian Family: Drop In Marriages, Births, Threatens Economic Ascendancy