The team examined results from a Norwegian study of more than nine hundred people with C.O.P.D.

VOA: special.2009.06.23

Yet once more, O ye Laurels, and once more Ye Myrtles brown, with Ivy never sere, I come to pluck your Berries harsh and crude, And with forc'd fingers rude, Shatter your leaves before the mellowing year.

我再一次来，月桂树啊,棕色的番石榴和常青藤的绿叶啊，在成熟之前，来强摘你们的果子，我不得已伸出我这粗鲁的手指，来震落你们这些嫩黄的叶子。

耶鲁公开课 - 弥尔顿课程节选

In both cases, women had more severe C.O.P.D.

VOA: special.2009.06.23

In both cases,women had more severe C.O.P.D.

VOA: special.2009.06.03

The W.H.O.says since 1988, more than two billion children around the world have been immunized against polio.

VOA: standard.2010.08.02

O'Hanlon says there should be more permanent changes in mass transit security.

VOA: standard.2010.03.30