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
With great tact, Lily said that it was time for her to go.
莉莉机智地说她该走了。
I give you my word for it.
对于此事我向你保证。
The moment you leave this tent, you will get a big surprise.
您一走出这个帐篷，就会大吃一惊。