1·She once had a crash in her pyjamas.
她有一次穿着睡衣出了车祸。
2·I once had a dream, in which I saw rice plants as tall as sorghum.
我曾经做过一个梦，在梦里水稻和高粱一样高。
3·For example, Aristotle once had a research library in the third century B.C..
例如，亚里斯多德在公元前三世纪曾有一个研究型图书馆。
4·I didn't know the U.S. Department of Agriculture once had a flatus researcher.
我不知道美国农业部曾经有一位研究肠胃胀气的专家。
5·I once had a young guy who was a third-year marine biology student at a large state school in Ohio.
我曾经遇到过一个年轻人，他是俄亥俄州一所大型州立学校海洋生物学三年级的学生。
6·This diary, which once had over 500,000 words, would eventually become The Travel Notes of Xu Xiake.
这篇曾经有着50多万字的日记，最终成为了《徐霞客游记》。
7·Even such a name as Simpson may belong to this last group, and not to the first, had the family once had its home in the ancient village of that name.
即使辛普森这样的名字也可能属于最后一类，而不是第一类，如果这个家族曾经在同名的古老村庄里有自己的家的话。
8·With the end of my love affair, I lost all the self-confidence I once had.
随着恋情的结束，我失去了所有曾经拥有的自信。
—— 《柯林斯英汉双解大词典》
9·The Daily News once had the highest circulation of any daily in the country.
《每日新闻报》一度在该国所有日报中拥有最高发行量。
—— 《柯林斯英汉双解大词典》
10·I once had the same incorrect idea.
我曾经有过同样的错误想法。