小薇读得很好！小砖渣见内。

BOB DOUGHTY: This is SCIENCE（IE之间应该有个小y的音） IN THE NEWS, in VOA Special English. I’m Bob Doughty（似乎听到r音？）.

FAITH LAPIDUS: And I’m Faith Lapidus. This week, we tell（l的发音，应该是舌头触及上颌膛的） about vitamins.

(MUSIC)

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

So it is with the human body. Much of our good health depends on the cooperation between substances. When they work together（再读地连贯些更好）, 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（没卷舌） the substances（似乎subs的第二个s和tances的t距离远了一些。） we call vitamins.