第三组的白昼时间则为每周提前6小时，以模拟向东旅行后造成的时差。
The third group had its 12 hours of light advanced by six hours once a week, mimicking eastbound travel.
1976年6月19日，我们出发去西部旅行，当时数百万美国家庭正准备拥向东部两百年大庆的圣地。
We began our trip out West on June 19, 1976, a time when millions of other American families were preparing to crowd into the Bicentennial shrines of the East.
去年秋天的一次考试后，光向东横穿整个大陆，来到多伦多探望他的 同学，这次旅行的距离测量起来大约有五千多公里。
After a quiz last autumn, Kuang crossed the continent eastward to Toronto to visit his schoolmate, the distance measuring approximately 5,000 kilometers.
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