Cavity wall
[医] 洞壁
📖 牛津释义
cavity wall
wall consisting of two separate walls with a space between, designed to give extra insulation 夹壁墙（两道墙中间有空隙, 用以增强绝缘性）.
🧩 词语组成解析
🗣️ 情景例句
Don't worry, Alexandra.
别担心，Alexandra。
A change of work is as good as a rest.
调换一下工作是很好的休息。
I'll introduce him to you.
那么，我来介绍你认识。