The First Lady unveiled a commemorative plaque.

第一夫人为纪念牌匾揭了幕。

《柯林斯英汉双解大词典》

Then came the presentation of the awards by the First Lady.

接下来是第一夫人的颁奖。

《柯林斯英汉双解大词典》

The first lady encouraged Chinese students to aim high and get a good education.

第一夫人鼓励中国学生要胸怀大志，接受良好的教育。

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The first lady showed the young gardeners how to turn the soil for the one hundred square meter garden.

VOA: special.2009.03.31

The first lady to be president in Brazil, so it's important.

她就是巴西的第一个女总统，所以这很重要。

关于巴西 - SpeakingMax英语口语达人

We're treated to the Lady's singular investment in the integrity of her body in her first speech.

我们来讨论下小姐第一次演讲中,她对恪守贞操的巨大投入。

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The First Lady also shared the stories of veterans who have successfully transitioned into second careers.

WHITEHOUSE: Our Top Stories

But the First Lady was also empathic that those families would not bear the burden alone.

WHITEHOUSE: "Our Force is a Force of Families": First Lady Michelle Obama to West Point Graduates | The White House

First of all, how about the First Lady, Michelle Obama? (Applause.) Hooah!

WHITEHOUSE: Improving Educational Opportunities for Service Members, Veterans and Their Families | The White House