VOA慢速英语:Two New Recordings Celebrate Music by John Prine

例句：He diagnosed the trouble that caused the engine to knock.
      他找出了引擎咔咔响的毛病所在。

      The doctor diagnosed my illness as a rare skin disease.
      医生诊断我的病为罕见的皮肤病。

2.aviation n.航空, 航空学

例句：Pilots of large aircraft are masters of aviation.
      大型飞行器的驾驶员是航空学方面的专家。

3.manufacture vt.制造,加工

例句：It is manufactured by hand.
      这是手工制造的。

4.separate vt.vi.分开, 隔离

例句：When did they separate last night?
      昨晚他们什么时候分开的?

      The war separated many families.
      战争使许多家庭离散。

5.collection n.积聚物; 集中在一起的人;作品集

例句：There is a collection of rubbish in the corner.
      角落里有一堆垃圾。

      This is an odd collection of people.
      这是一群稀奇古怪的人。