研究人员还教了孩子们正确的洗手方法。
The children also were taught proper hand-washing techniques.
小学生在课间通过“集体洗手操“”学习正确洗手方法。
Students do hand washing exercise on the Global Handwashing Day.
在校内的资讯广播系统播放有关个人卫生、环境卫生及正确洗手方法的健康教材。
Broadcast educational materials about personal hygiene, environmental hygiene and proper hand wash method on the information display system on campus.
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