Someone who is vulnerable is weak and without protection, with the result that they are easily hurt physically or emotionally.
Old people are particularly vulnerable members of our society.
老年人是社会中尤为明显的弱势群体。
If a person, animal, or plant is vulnerable to a disease, they are more likely to get it than other people, animals, or plants.
weak , prone , susceptible , exposed
protected , strong
People with high blood pressure are especially vulnerable to diabetes.
有高血压的人尤其易患糖尿病。
Something that is vulnerable can be easily harmed or affected by something bad.
Their tanks would be vulnerable to attack from the air.
他们的坦克易受空袭。