奥巴马演讲稿We can achieve to put their hands on the arc of histor
奥巴马演讲稿 We can achieve to put their hands on the arc of history and bend it once more toward the hope of a better day. 1.这里的put 2.bend it once more toward the hope of a better day. 成分分析? 3.once more 做什么成分?