1
the vault of sth
指拱形的天空或苍穹，多用于文学或正式语体。
The stars glittered in the vault of the night sky.
星星在夜空的穹顶上闪烁。
保险库；金库
先理解核心含义，再看它在真实句子里的用法。
保险库；金库
a secure room or compartment for keeping valuables
The stars glittered in the vault of the night sky.
星星在夜空的穹顶上闪烁。
支撑并形成天花板的拱形砖石结构,无论是独立式还是作为更大建筑的一部分。
An arched masonry structure supporting and forming a ceiling, whether freestanding or forming part of a larger building.
跳跃动作,旧时主要指鹿的跳跃。
An act of vaulting, formerly (chiefly) by deer; a leap or jump.
墓室(通常在地下)
a burial chamber (usually underground)
任何拱形天花板或屋顶。
Any arched ceiling or roof.
The vault of the ancient cathedral is painted with stars and clouds.
古老教堂的拱顶上绘有星星和云彩。
Dust hung in the air beneath the stone vault of the cellar.
尘埃悬浮在酒窖石质拱顶下方的空气中。
The architect measured the vault to plan the restoration.
建筑师测量了拱顶，以便规划修复工作。
指拱形的天空或苍穹，多用于文学或正式语体。
The stars glittered in the vault of the night sky.
星星在夜空的穹顶上闪烁。
作“保险库、金库”讲，后接用途说明存放之物。
The museum has a temperature-controlled vault for its rare manuscripts.
博物馆有一个温控保险库，用来存放珍稀手稿。
表示地下的墓室或地窖，beneath 比 under 更正式。
The family’s remains were laid in a vault under the old chapel.
这家人的遗骨被安放在老教堂下面的墓穴里。
Not this
The gold is kept in the bank's safe.
Use this
The gold is kept in the bank's vault.
safe 多指小型保险箱，vault 指银行等处的保险库/金库；表示银行里的大型库房时应选 vault，不能因中文都叫“保险”而混淆。
Not this
The manager locked the money in vault.
Use this
The manager locked the money in the vault.
vault 是可数名词，指具体的保险库时前面要加 the。汉语没有冠词，学生在表达“在保险库里”时常漏掉 the；the vault 特指双方都知道的库房。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
银行保险库
The money is kept in the bank vault overnight.
这笔钱夜间存放在银行保险库里。
石拱顶
The ancient church has a beautiful stone vault.
这座古老教堂有一个漂亮的石拱顶。
地下墓室，墓穴
They sealed the burial vault with a heavy slab.
他们用一块沉重的石板封住了墓穴。
撑杆跳（运动项目）
He broke the school record in the pole vault.
他打破了学校撑杆跳纪录。
保险库门
The guard closed the vault door behind him.
保安在他身后关上了保险库门。
天穹；苍穹
He looked up at the vault of heaven and felt small.
他仰望苍穹，感到自己很渺小。
出自档案库，多指未发布过的旧作
This rare live recording comes from the vaults.
这张罕见的现场录音来自唱片公司的档案库。
生命之酒已倾尽，剩下的残渣只够这座墓穴夸口。
Spoken by Macbeth in Shakespeare's 'Macbeth' (Act 2, Scene 3), where 'vault' refers to a tomb or burial chamber, and the line laments that after King Duncan's murder, life has lost all its value and only the dregs remain.
出自莎士比亚《麦克白》第二幕第三场中麦克白的台词。这里的“vault”指墓穴或坟墓，这句话哀叹邓肯国王遇害后，生命已失去一切价值，只剩残渣。
Use Vault naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 vault 想成保险库的拱形大门：词首的 v 像拱券的轮廓，vault 就是拱顶/金库。
语域：neutral 常见场景：banking、treasury、secure storage 本分析针对 vault 表示“保险库/金库”的名词义项，多用于银行、金融机构及贵重物品保管等场景。该词通常为中性语体，在正式和一般书面语中都比较常见，可搭配 bank、cash、treasury 等词使用。
保险库；拱顶；地下墓室
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.