“完成返回加拿大的整段旅程，帝王蝶可能会经历四到五代。”薛西斯戈灰蝶协会濒危物种项目的负责人萨琳娜·杰普森说道。

"It might take the monarchs as many as four to five generations to complete the journey all the way back up to Canada," says Sarina Jepsen, who directs the endangered species program for the Xerces Society.

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三名太空人当时发出无线电名言：“休斯顿，我们一直有个问题。”接着便稳住太空船，同时省下足够的电力和氧气，保住老命完成返回家园的旅程。

The three-man crew famously radioed "Houston, we've had a problem" and then stabilized the spacecraft while saving enough power and oxygen to survive the voyage home.

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天宫一号，中国首个太空实验室，在今年4月2日完成任务后返回地球。

Tiangong Ⅰ, China's first space lab, returned to the earth after finishing its job on April 2 this year.

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I'm going to print here the list if we go into it, and print of the when we're done and then just return that.

注意接下我来我要做的事，运行到这里时会打印列表,并且当处理完成后会打印返回的列表。

麻省理工公开课 - 计算机科学及编程导论课程节选

So when I'm done, I'm going to give the value back out. All right?

当它完成计算后,需要返回个值对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选