VOA慢速英语:奥巴马大女儿入读哈佛大学

n. <美>实习医师，实习医师期;
[例句]I conducted a number of internship in college.
在大学期间，我进行了多项实习。

2.politely

adv. 有礼貌地，客气地，委婉地;
[例句]I gave it back politely.
我很客气地把它还了回去。

3.pathetic

adj. 令人同情的，可怜的; 又笨又可怜的，无价值的; 荡气回肠;
[例句]The small group of onlookers presented a pathetic sight
这一小群旁观者看起来真是让人悲哀。

4.sociology

n. 社会学; 群体生态学;
[例句]The sociological study of religion moved from the centre to the periphery of sociology.
宗教的社会学研究从社会学的中心学科变成了边缘学科。

5.advantage

n. 有利条件; 益处; 优越（性）; 处于支配地位;
vt. 有利于; 有益于; 促进; 使处于有利地位;
vi. 得益，获利;
[例句]They are deliberately flouting the law in order to obtain an advantage over their competitors
他们为了和竞争对手抢夺先机而公然无视法律。

6.keep an eye on

[词典] 注意; 照看; 留心; 照管;
[例句]I'll keep an eye on the matter.
这事儿我在心就是了。