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。
Au contraire! You actually know a lot more people than you think.
事实上相反，你真正知道的肯定要比你想象中多得多。
A high sensitive spectrophotometry to determine AU was built.
给出了高效灵敏的AU分光光度法。
Master Au is also a superb calligrapher and a poet.
欧大师还是一位杰出的书法家和诗人。
My year as an au-pair was a great experience.
做互惠生是一段很不错的经历。
My year as an au-pair was a great experience.
做互惠生是一段很不错的经历。
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