The greatest invention in human history人类历史上最伟大的发明---安全套.ppt

The greatest invention in human history Someone thinks the greatest invention is Light bulb …… Someone thinks the greatest invention is computer …… But…I think the greatest inventioninhuman historyis…… Condom Light bulb is shining our life…… Computer facilitates our life…… Condom enriches（丰富） our life…… History The inventor of the condoms is a person whose name is Joseph Condom .He is a British doctor in late17 century.Condom is a healer （御医） with Britain‘s king Charles ii（查理二世）.He used caecum（盲肠） of sheep and cut appropriate length, dried and used bran（麦麸） to make it feel soft. But have other information shows the earliest condom is exist in ancient Egyptian ,1350 BC.It use to man’s adornment（装饰物）, like woman’s treasure. Condom represented mans wealth and status. Function Condom is the form of non-drug conception, which is mainly used to prevent sexual intercourse stop in human sperm and eggs union and prevent pregnancy. In addition, condoms also have prevent gonorrhea, and AIDS propagate. 避孕套是以非药物的形式阻止受孕，主要用于在性交中阻止人类的精子和卵子结合，防止怀孕。除此之外，避孕套也有防止淋病、艾滋病等性病传播的作用. Significance  The significance of condom is that it can avoid the pain of unplanned pregnancies, separate sex and birth completely. 避孕套的意义在于能避免意外怀孕带来的痛苦，把性和生育彻底分开。 About future Condom can make fashion clothes. Condom can make a little gift. Thank you. 参考资料： 百度有哪些信誉好的足球投注网站 有道翻译 39健康网 P 环球图片网 * *