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
n. 腔,洞;蛀牙,龋洞;
cav洞+ity表名词 → 穴;腔
n. 墙;屏障;隔阂;壁垒;
vt.& vi. 筑墙围住,用墙隔开;围以墙;
adj. 墙壁的;
vall- 墙,壁垒;桩线
🗣️ 情景例句
if that's what you mean.
是这个意思吧。
No one (or man) is born wise or learned.
人非生而知之者。
he has just bought a new house in the city,
他刚在城里买下一所新房子,
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