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1·The President visited the area to see the devastation at first hand.

总统亲临该地区视察受损情况。《牛津词典》

2·He arrived in Natal to see at first hand the effects of the recent heavy fighting.

他到纳塔尔亲自察看最近的激战所造成的影响。《柯林斯英汉双解大词典》

3·We need to get kids out of the school buildings, give them a chance to learn about the world at first hand.

我们需要让孩子们走出教学楼，给他们一个亲自了解世界的机会。

4·Students who have experienced another culture first hand are more likely to be global-ready when they graduate.

亲身体验过另一种文化的学生在毕业时更可能具备好全球化的条件。

5·They learn first hand about the health and nutrition of dairy cattle, as well as the science of making butter, cheese, and other dairy products.

他们亲自了解有关奶牛的健康和营养知识，以及制作黄油，奶酪和其他乳制品的技术。

6·I know this from first hand experience.

我从我的亲身体验中了解到了这个事实。

7·You’ve probably experienced this first hand.

你也许亲身经历过这样的情况。

8·It's this first hand experience that makes ideas and concepts stick.

正是这些第一手的经验，使正确的思想和观念得以证实。

9·An example application will help you learn about these features first hand.

示例应用程序有助于直观地学习这些特性。

10·Shadow professionals in fields of primary interest toobserve work first hand.

亲自去自己感兴趣的实习领域观察工作。

(1)firsthand information第一手资料