1. (躲避恶劣天气或危险的)遮蔽物，庇护处，掩体
    A shelter is a small building or covered place which is made to protect people from bad weather or danger.

    e.g. The city's bomb shelters were being prepared for possible air raids.
           为防御可能发生的空袭，该城市正在建防空洞。
    e.g. ...a bus shelter.
           公共汽车候车亭

2. (尤指躲避恶劣天气或危险的)遮蔽，庇护，掩蔽
    If a place provides shelter, it provides you with a place to stay or live, especially when you need protection from bad weather or danger.

    e.g. The number of families seeking shelter rose by 17 percent...
           寻求避难的家庭户增加了 17％。
    e.g. Although horses do not generally mind the cold, shelter from rain and wind is important.
           尽管马一般不怕冷，但是一定要有个能遮风挡雨的马棚。

3. 收容所;庇护所
    A shelter is a building where homeless people can sleep and get food.

    e.g. ...a shelter for homeless women.
           收留无家可归的妇女的收容所

4. 躲避;避难
    If you shelter in a place, you stay there and are protected from bad weather or danger.

    e.g. ...a man sheltering in a doorway...
           藏在门口的一名男子
    e.g. Twelve Cubans left the embassy after sheltering there for several days.
           12 名古巴人在大使馆藏身了几天后离开了。

5. 遮蔽;遮挡
    If a place or thing is sheltered by something, it is protected by that thing from wind and rain.

    e.g. ...a wooden house, sheltered by a low pointed roof.
           一所有着低矮的尖顶遮风挡雨的木房子

6. 为(受到警察或其他人追捕的人)提供避难所;窝藏;庇护
    If you shelter someone, usually someone who is being hunted by police or other people, you provide them with a place to stay or live.

    e.g. A neighbor sheltered the boy for seven days.
           一个邻居收留了这个男孩在他家藏了 7 天。
    e.g. ...people sheltering illegal immigrants.
           为非法移民提供庇护的人们

7. see also: sheltered