"They're less able to calm down over the course of a day," Birditt said.

“他们一天里更不容易平静下来”，贝迪特说。

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Hand washing is something many of us do frequently during the course of a day.

洗手是我们许多人每天经常做的事。

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Brain imaging research shows that just about all of our brain is used over the course of a day.

脑部成像图研究显示在一天的活动中，几乎整个大脑都会被用到。

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At the end of the day, the choice to continue as a destitute, international pariah or chart a new course is North Korea's alone to make.

VOA: standard.2009.05.30

I of course picked the wrong day to wear a sweatshirt under really hot lights so thankfully I came prepared with another item from the-- from the store.

当然，我在主光灯下穿了件运动衫，这确实不太明智,幸好我过来时,从商店准备了另一件。

哈佛公开课 - 计算机科学课程节选

to get a view all over the city, on a clear day, of course.

俯瞰整个城市，当然这要在一个晴朗的日子。

神奇的博物馆 - SpeakingMax英语口语达人

It is certainly possible under heavy use to run out of power during the course of a day.

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The range in normal temperatures can fluctuate as much as 1 degree Fahrenheit over the course of a day.

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More people power through Lexington Avenue's subway lines in the course of a day than use the entire Metro in Washington.

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