【地道英语口语】 on the fly 意思是：迅速地，不加思索地。例如：You have to give me time to think about it. I can't make the decision on the fly. 你得给我点时间想想，我不能马上决定。My professor is a walking encyclopedia. He can answer any questions on the fly. 我的教授是本活字典，

【地道英语口语】 on the fly 意思是：迅速地，不加思索地。例如：You have to give me time to think about it. I can't make the decision on the fly. 你得给我点时间想想，我不能马上决定。My professor is a walking encyclopedia. He can answer any questions on the fly. 我的教授是本活字典，他能不假思索地回答任何问题。 http://t.cn/EzCGh1w

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