愚公读得很棒啊。有飞跃。小砖渣见内。

BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. I’m Bob Doughty.

FAITH LAPIDUS: And I’m Faith Lapidus. This week, we tell about vitamins.

(MUSIC)

BOB DOUGHTY: Many jobs must be done with two people. One person takes（k吞音了） the lead. The other helps. It is this cooperation that brings success.（c吞音了）

So it is with the human body. Much of our good health depends on the cooperation between substances. When they work together, chemical reactions take place smoothly. Body systems are（没卷舌） kept in balance.

Some of the most important helpers in the job of good health are the substances we call vitamins.

顺便问一下，你怎么截取的音频啊。打算下周一晚post下次VOA。