Vacuum
[ 'vækjʊəm ]
第5级
其它 Other
n. 真空;空白;空虚;清洁;
v. 用真空吸尘器清扫;
💡 词根助记
vac空+uum表名词 →空虚；真空
📝 例句
A vacuum flask keeps cool drinks cool and hot drinks hot.
保温瓶使冷饮保冷，使热饮保温。
A vacuum cleaner is a handy household tool.
吸尘器是一种使用方便的家庭用具。
His orders were issued into a vacuum, so to speak.
他的命令在某种程度上等于一纸空文。
Her husband's death left a vacuum in her life.
她丈夫的死使她的生活变得空虚。
The porter turned off the vacuum.
清洁工关掉真空吸尘器。
🌱 联想助记
【记】※ va-谐音“蛙”,cu-拼音“醋”,um-拼音“幽默”:青蛙用醋来泡真空吸尘器,真幽默
※ va-谐音“挖”,cu-化学元素“铜”,u-you你,m-拼音“妈”:为了挖铜,你妈竟然用上了真空吸尘器
✅ 同义词
🔤 词根
-vac-表示“空”
常见变体有-vast-、-van-、-void-
📖 牛津释义
vacuum
n
(pl 复数作 ~s or, in scientific use, 科技用语复数作 vacua )
1
(a) space that is completely empty of all matter orgas(es) 真空.
(b) space in a container from which the air has been completely or partly pumped out （容器的）真空状态
create a perfect vacuum 形成完全的真空状态.
2 (usu sing 通常作单数) (fig 比喻) situation or environment characterized by emptiness （情况或环境的）空洞状态
There has been a vacuum in his life since his wife died. 他妻子去世後他的生活很空虚.
3 (infml 口) = vacuum cleaner.
4 (idm 习语) in a `vacuum isolated from other people, facts, events, etc 与其他的人、 事等脱离或隔绝
live, work, etc in a vacuum 在与外界隔绝的环境中生活、 工作等. vacuum, v [I, Tn, Tn.p]
~ sth (out) (infml 口) clean (sth) with a vacuum cleaner 用真空吸尘器清扫（某物）
vacuum the stairs, carpet 用吸尘器清扫楼梯、 地毯等
vacuum (out) the car 用吸尘器打扫汽车.
🎯 考研助记
vacu(=vac空)+um(地方):真空的装置: 吸尘器
🔁 扩展释义
*[`'vækjuәm]n. 真空, 空间, 真空吸尘器a. 真空的, 产生真空的, 利用真空的vt. 用吸尘器打扫【化】 真空【医】 真空
🌿 同词根单词
📖 同为「高中」词汇
查看全部高中词汇 ›🗣️ 情景例句
This is meant to happen.
这件事注定要发生。
Would you like to leave any message?
你要留什么话吗？
One day she came into his office and happened to put her hands on the door of a locked safe.
一天，维拉走进父亲的办公室，偶然把手放在一个锁着的保险柜的门上，