Barrel vault
n. 桶形穹窿
🧩 词语组成解析
barrel
['bærəl]
n. 桶;一桶之量;圆筒，活塞筒，滚筒;圆筒;
adj. 桶状的;
vt. 装进桶里，放进桶里;
vi. 高速行驶;
bar 木棒,障碍#词根助记：bar木条,桶是用木条做成的
vault
[vɔlt]
n. 拱顶，穹窿;地下室;撑物跳;墓穴;
vt. 进行撑竿跳;做成圆拱形;成穹状;（以手撑物或撑竿）跳过;
vi. 跳跃;成穹状弯曲;
🗣️ 情景例句
I think I'm quite proficient in both written and spoken English.
我认为我在英语读写方面相当熟练。
We extend hospitality to our guests.
我们热情款待客人们。
He was a shrewd and wealthy businessman, but most people in the town hardly knew anything about this side of his life.
他是个精明能干、有钱的商人，但镇上大部分人对他生活中的这一个方面几乎一无所知。