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1·This distance is known as the 'astronomical unit' or AU.

这个距离被称为“天文单位”或 AU。

2·This year, nearly a score of presidential or parliamentary elections or referendums have been scheduled among the 53 members of the AU.

今年，在非盟的53个成员国中，已经安排了近20次总统或议会选举或公投。

3·Johann Franz Encke, Director of the Berlin Observatory, finally determined a value for the AU based on all these parallax measurements: 153,340,000 km.

柏林天文台主任约翰·弗朗茨·恩克最终根据所有这些视差测量结果确定了天文单位的一个值为153,340,000公里。

4·The goal was to measure the AU; then, knowing the orbital speeds of all the other planets around the Sun, the scale of the Solar System would fall into place.

目标是测量 AU；随后，当我们知道了所有围绕太阳的其他行星的轨道速度，对太阳系的规模就有充分的认识了。

5·Leonard Schlesinger, a Harvard academic and former chief executive of Au Bong Pain, a rapidly growing chain of bakery cafes, says that much re-engineering has been crude.

纳德·施莱辛格是哈佛大学学者及发展迅速的烘焙咖啡连锁店 Au Bong Pain 的前首席执行官，他表示，很多“再设计”都很粗糙。

6·They have an au pair living in.

他们有个换工姑娘住在家里。《牛津词典》

7·I'm new here so I'm not completely au fait with the system.

我初来乍到，所以对这个系统还不完全熟悉。《牛津词典》

8·They left the au pair in charge of the children for a week.

他们把孩子留给做换工的照料一周。《牛津词典》

9·The fish is served au naturel, uncooked and with nothing added.

这条鱼是生吃的，未经蒸煮，也没加任何调味品。《牛津词典》

10·The small church of San Michel is tucked away in a narrow back street of Port-au-Prince.

圣米歇尔小教堂位于太子港的小街上。《柯林斯英汉双解大词典》