If you educate the public about dangerous diseases they can protect themselves, which will help to halt the spread.
如果你能教育公众如何来防治危险疾病,他们就能够保护好他们自己,从而阻止疾病的传播。
When I asked him what he was doing, he smiled guiltily and then put the parcel on the desk.
当我问他正干什么时,他内疚地笑了,然后把那个大包拿到了桌上。