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。
There has long been a superstition among mariners that porpoises will save drowning men by pushing them to the surface, or protect them from sharks by surrounding them in defensive formation.
长期以来,海员中流传着一种迷信的说法,认为海豚会把快要淹死的人托到水面,救人性命;或在人们周围列队保护,使他们免遭鲨鱼伤害。