n.卫生,卫生学;保健法;
例句:
He's going to give us a lecture on public hygiene.
他要给我们作关于公共卫生方面的报告.
Please observe the do's and don't of public hygiene.
请遵守公共卫生应行注意的事项.
Poor hygiene led to high mortality among children.
卫生条件很差,道致了儿童的死亡率很高.