n (1)掩(遮)蔽，保(庇)护(protection or condition of being protected against wind，rain，enemies，etc)[U]：seek～from the wind/the rain/the sun 找到地方避风/雨/日晒;(trees) give/afford (sb) some～from storm(树)(给某人)挡住了暴风雨;get under～隐蔽起来;give sb～for the night 为某人提供过夜的地方;under the～of a large tree 在一棵大树的遮蔽下;The basic necessities of life are food，clothing and～. 衣、食、住是生活的最基本需要。

(2)遮蔽物，庇护物(sth that provides cover or protection)[C](常构成合成词)：a bus/bomb/air-raid/fallout～　公共汽车站的候车亭/防空洞/防空洞/放射性微粒掩蔽所;

(3)收容所(institution providing protection for the homeless)[C]：a children's～儿童收容所;an animal～动物收容所;

v(1)掩(遮)蔽;保(庇)护(provide cover or protection)[T+n，T+n+prep (from)]：～criminals/the homeless 窝藏罪犯/收容无家可归者;He～ed her from gossip. 他使她免受流言蜚语的骚扰。The wall～s the garden from the northwind. 这堵墙给花园挡住了北风。〖同〗protect，shield，cover，guard;〖反〗expose，expel;

(2)避难，躲避(be in，or go into a place of shelter)[I，I+prep(from)]：～behind a hedge/in an old hut 躲在篱笆后/一间旧茅屋里;～from the rain/the trouble 躲雨/麻烦;

→′sheltered adj 可避风(雨)等的;不受坏事影响的