Vacuum
[ 'v?kj??m ]
第5級
其它 Other
n. 真空;空白;空虛;清潔;
v. 用真空吸塵器清掃;
?? 詞根助記
vac空+uum表名詞 →空虛；真空
?? 例句
A vacuum flask keeps cool drinks cool and hot drinks hot.
保溫瓶使冷飲保冷，使熱飲保溫。
A vacuum cleaner is a handy household tool.
吸塵器是一種使用方便的家庭用具。
His orders were issued into a vacuum, so to speak.
他的命令在某種程度上等于一紙空文。
Her husband's death left a vacuum in her life.
她丈夫的死使她的生活變得空虛。
The porter turned off the vacuum.
清潔工關(guān)掉真空吸塵器。
?? 聯(lián)想助記
【記】※ va-諧音“蛙”,cu-拼音“醋”,um-拼音“幽默”:青蛙用醋來泡真空吸塵器,真幽默
※ va-諧音“挖”,cu-化學(xué)元素“銅”,u-you你,m-拼音“媽”:為了挖銅,你媽竟然用上了真空吸塵器
? 同義詞
?? 詞根
-vac-表示“空”
常見變體有-vast-、-van-、-void-
?? 牛津釋義
vacuum
n
(pl 復(fù)數(shù)作 ~s or, in scientific use, 科技用語復(fù)數(shù)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）真空狀態(tài)
create a perfect vacuum 形成完全的真空狀態(tài).
2 (usu sing 通常作單數(shù)) (fig 比喻) situation or environment characterized by emptiness （情況或環(huán)境的）空洞狀態(tài)
There has been a vacuum in his life since his wife died. 他妻子去世後他的生活很空虛.
3 (infml 口) = vacuum cleaner.
4 (idm 習(xí)語) in a `vacuum isolated from other people, facts, events, etc 與其他的人、 事等脫離或隔絕
live, work, etc in a vacuum 在與外界隔絕的環(huán)境中生活、 工作等. vacuum, v [I, Tn, Tn.p]
~ sth (out) (infml 口) clean (sth) with a vacuum cleaner 用真空吸塵器清掃（某物）
vacuum the stairs, carpet 用吸塵器清掃樓梯、 地毯等
vacuum (out) the car 用吸塵器打掃汽車.
?? 考研助記
vacu(=vac空)+um(地方):真空的裝置: 吸塵器
?? 擴(kuò)展釋義
*[`'v?kju?m]n. 真空, 空間, 真空吸塵器a. 真空的, 產(chǎn)生真空的, 利用真空的vt. 用吸塵器打掃【化】 真空【醫(yī)】 真空
?? 同詞根單詞
?? 同為「高中」詞匯
查看全部高中詞匯 ›??? 情景例句
What do you think about your qualifications?
你認(rèn)為你能勝任工作嗎？
Good. I'll take it right now, if possible.
好，如果可能的話，我現(xiàn)在就要租一輛。
Leave me alone.
走開。