His finest moment came when he got the first prize at a science fair.
他最得意的时刻是在一次科学展览会上获得一等奖。
It is believed that a model plane of Bob's will be shown at the science fair next month.
人们相信鲍勃的飞机模型将在下个月的科学展览会上展出。
We even held a science fair at the White House, where I met a young woman named Amy Chyao.
我们在白宫举办了一次科学展览，我遇到了一位叫艾米·乔的年轻女士。
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