youdao

The children were organized to the laboratory for the first time at the age of 3 and discussed impressed things from their past, such as the first relaxing trip with your family, the first dancing accident you met, and the first day of school.

孩子们在3岁的时候第一次被组织到实验室，讨论他们过去印象深刻的事情，比如第一次和家人的放松旅行，第一次遇到的跳舞失误，以及第一天上学等等。

youdao

Who brags about accomplishments: first teeth, first sounds, first smile, and makes every little thing that's done seem important and worthwhile?

是谁夸耀一切成就：第一批出的牙，第一串音，第一次笑，让每一个小小举动都显得如此重要，令人骄傲？

youdao

Disease-control experts from the United States confirmed the first cases of cholera in Haiti on October twenty-first in the Artibonite area.

VOA: special.2010.11.10

And if that's true is everything in the string, starting at the first element and removing the last element, a palindrome?

如果是相同的话,是不是字符串中的所有从第一个元素开始,并且删除最后一个元素后？

麻省理工公开课 - 计算机科学及编程导论课程节选

The first words or first line out of his mouth or the first lines are " "it is customary," he says.

他开头的前几个字,或前几行是,他说：，“按惯例。

耶鲁公开课 - 政治哲学导论课程节选

By the first decade of the twenty-first century, I could no longer swing a golf club.

NPR: Excerpt: 'The Healing Of America'

Ms Bokova is the first woman and the first Eastern European to head the organisation.

UNESCO: Irina Bokova of Bulgaria elected as UNESCO's 10th Director General

That first day I spent with the first sculpture I saw, the Winged Victory of Samothrace.

BBC: The bloom of cancer