a person who believes in or supports unilateral action, especially the policy of getting rid of nuclear weapons without waiting for other countries to do the same单边主义（信仰和支持单方面行动，尤指单方面销毁核武器的政策）
the defeat of the unilateralists on nuclear disarmament核武器裁军单边主义者的失败
believing in or supporting unilateral action, especially the policy of getting rid of nuclear weapons without waiting for other countries to do the same; based on this belief单边主义（信仰和支持单方面行动，尤指单方面销毁核武器的政策）