unilateralismn.
junɪ'lætrəlɪzəm
中文n. 片面，单方；片面限制武器论；单方面裁军
词根词源
unilateralism (n.)1926, from unilateral + -ism. Earliest usages seem to be in the sense of "advocate of unilateral disarmament." Meaning "pursuit of a foreign policy without allies" is attested by 1964.
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