本期内容：

The Bulletin of Atomic Scientists moved the hands of its Doomsday Clock forward by 30 seconds, to two and a half minutes to midnight, in response to Donald Trump’s “unsettling” and “ill-considered” comments about the use of nuclear weapons, growing concern over North Korea and worries about relations with Russia. This is the closest the clock has been to midnight since 1953.

bulletin: 公报
doomsday clock：末日时钟
unsettling：令人不安的
ill-considered：考虑不周

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