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
Let's look on the bright side.
我们来看看它好的一面。
I succeeded because I willed it; I never hesitated.
我成功是因为有决心，从不犹豫。
Water streamed in torrents over its sides with such force that it set up a huge wave in the canal.
波浪从盘子两侧急涌而出，在运河里掀起一股大浪。