| 释义 |
cav.i.tyH5kAv7I7ti, $-E7tin [C]a hole, or an empty space between two surfaces空隙, 洞The gold was hidden in a secret cavity in the chimney behind a loose brick.金子藏在烟囱中一块松动了的砖后面的一个隐秘的小洞里。My dentist said I have a cavity (=holes in a tooth) which will have to be treated.牙医说我牙齿上有个小洞得治疗。A cavity wall is a wall of a building formed from two walls with a space, usually for air, between them. It is made in this way to keep out cold and wetness.夹层中空的墙(起防寒、防湿作用)
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