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总统采取了前所未有的举措，召集所有的州长参加一次教育讨论会。
The president took the unprecedented step of summoning all the state governors to a conference on education.
《柯林斯英汉双解大词典》
-
总统采取了前所未有的举措，召集所有的州长参加一次教育讨论会。
The president took the unprecedented step of summoning all the state governors to a conference on education.
《柯林斯英汉双解大词典》