n. a burial chamber (usually underground)
n. a strongroom or compartment (often made of steel) for safekeeping of valuables
n. an arched brick or stone ceiling or roof
n. the act of jumping over an obstacle
n. 拱顶, 窖, 地下室, 撑竿跳, 穹窿
vt. 做成圆拱形, 撑竿跳过
vi. 成穹状弯曲, 跳跃
1. The treasure was hidden in a secret vault under the old castle.
宝藏藏在古城堡下面的一个秘密保险库里。
2. She walked into the bank's vault to see how they store money safely.
她走进银行的保险库，看看他们是如何安全存放钱的。
3. The athlete jumped over the vault with great skill and precision.
这位运动员以极高的技巧和准确性跳过了跳马。