Frequent hand washing has become a common hygiene practice in fighting SARS.
Frequent hand washing has become a common hygiene practice in fighting SARS.
常洗手已变成预防SARS的基本卫生习惯。
Frequent hand washing has become a common hygiene practice in fighting SARS.
常洗手已变成预防SARS的基本卫生习惯。