1972年慕尼黑奥运会的吉祥物沃尔蒂是只惹人喜爱的腊肠狗，它是奥运会历史上第一个官方吉祥物。

"Waldi", the first official mascot to appear for the 1972 Munich Games, was a Dachshund.

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摄影师Anup与Manoj Shah记录了肯尼亚Masai Mara国家保护区的一只母猎豹(与她的第一窝小豹)成长中的家庭。

Photographers Anup and Manoj Shah documented the growing family of one female cheetah (above, with first set of cubs) in Kenya's Masai Mara National Reserve.

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几个月之内，他的胳膊便弄上了一只带有燃烧翅膀的彩色飞鹰，这是他一系列纹身中的第一个。

Within months, he'd gotten a colorful eagle with flaming wings on his arm, the first of several tattoos.

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There's the vector, and again you'll see this in your handout, says I only took the first item.

你们同样可以在讲义上看到这个向量,意思是我只拿了第一种物品。

麻省理工公开课 - 计算机科学及编程导论课程节选

We're ready for the first law. We're just going to go to through these laws pretty quickly here.

现在我们来讨论热力学第一定律,我们只会做简要的讨论。

麻省理工公开课 - 热力学与动力学课程节选

It's just one, nine through 11, which you've probably had done for days now, so you just bring that material and hand it in.

只包括第一节,第九到第十节,这些你可能好几天前就做好了,那你只要带上材料交上来就可以了

耶鲁公开课 - 聆听音乐课程节选