Environmentalists dream of the day when all of America's electricity will come from the sun, wind, water and other truly renewable sources.

环保主义者梦想有一天美国所有的电力将来自于太阳、风和其他真正可再生来源。

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The remaining journey to Munich was a dream: well-signed and flat cycle routes blazed a trail so easy to follow that we were able to ride the 125 miles from Ulm to Munich in one day.

在前往慕尼黑的旅途中，余下的旅程如梦一般美妙：平坦而标识清楚的自行车专用道，使我们轻而易举地在一天的时间里完成了从乌尔姆到慕尼黑的125英里旅程。

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Friedrich Kekule discovers the unique ring like structure of the molecule benzene right after he wakes up from a day-dream about snakes chasing their own tails and forming rings.

弗里德里希·凯库勒发现分子苯的结构想一个环状的客观事实，正是醒于当天的一个白日梦后知道的，在梦里他梦见一群蛇都在追逐着各自的尾巴，于是形成了好多环形。

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So,I'm telling you from the beginning, but don't dream and think that somehow the Final's going to be so much different from your regular day-to-day performance, but to give you some reason to live after the Midterm.

所以我在开始告诉你们,但是,不要以为你们的最终成绩,和你们的平时表现,没什么关系,但这能让你们不至于期中的时候就绝望了

耶鲁公开课 - 基础物理课程节选

"That day began a simple dream -- the dream of being able to save people from dying waiting for an ambulance, " reflects Beer.

CNN: Saving 40,000 lives in under 3 minutes