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时间：2011-05-24 03:01:18

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（单词翻译）

Global View - Contraceptives
Lesson Introduction: Sex education is important for sexually active
adults. One important topic is the use of contraceptives. The use
of these tools can help prevent the spread of sexually transmitted
diseases, as well as help avoid unplanned pregnancies1. Today we
learn about contraceptives.


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1 pregnancies 2fedeb45162c233ee9e28d81888a2d2c     
怀孕，妊娠( pregnancy的名词复数 )
参考例句：
  • Since the wartime population needed replenishment, pregnancies were a good sign. 最后一桩倒不失为好现象，战时人口正该补充。
  • She's had three pregnancies in four years. 她在四年中怀孕叁次。

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