Cavity wall

[醫(yī)] 洞壁

?? 牛津釋義

cavity wall wall consisting of two separate walls with a space between, designed to give extra insulation 夾壁墻（兩道墻中間有空隙, 用以增強(qiáng)絕緣性）.

?? 詞語(yǔ)組成解析

cavity ['k?v?ti]
n. 腔，洞;蛀牙，齲洞;
cav洞+ity表名詞 → 穴；腔
wall [w?l]
n. 墻;屏障;隔閡;壁壘; vt.& vi. 筑墻圍住，用墻隔開;圍以墻; adj. 墻壁的;
vall- 墻,壁壘;樁線

??? 情景例句

I had a really bad day.
今天真是糟透了。
He has a telephone set.
他有一部電話。
There's something wrong woth your ears. I think there's something near us.
你的耳朵有點(diǎn)毛病！我想我們附近有什么東西。
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