Not once did it occur to Michael that he could one day become a top student in his class.

迈克尔一次也没有想过有一天他会成为班里的尖子生。

youdao

Many years ago I was a graduate student conducting research in one of the top biopsychology laboratories in the country.

许多年前，当我还是一个研究生时，我正在国家一个顶尖的生物心理学实验室从事着研究。

youdao

All of David's classmates are completely stumped — no one can work out how he became a top student overnight.

大卫所有的同班同学都困惑不解——没有人想得出他怎么突然变成了优等生。

youdao

President Obama will be directly involved in one aspect of the campaign a White House science fair that will showcase top student experiments from across the country.

VOA: standard.2009.11.24

It also helped me to change my status from one of the students with the worst grades to a top student while taking six or seven classes per semester instead of only four as most of my peers.

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