洗发香波和其他可以打开毛孔的产品并不能阻止头发脱落，也不能促进头发的再次长出。
Shampoos and other products designed to open scalp pores do not stop hair loss or promote regrowth of hair.
社区中预防拉沙热集中于促进良好的“社区卫生”来阻止啮齿动物进入家中。
Prevention of Lassa fever in the community centers on promoting good "community hygiene" to discourage rodents from entering homes.
暴露在香烟烟雾下促进了肿瘤的生长，而硒无法阻止肺癌和肝癌的发生。
Exposure to smoke boosted the growth of tumors and selenium could not stop the growth of lung can liver cancers.
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