从以下词典查找:
历史:
CET-4 CET-6 考研 TOEFL IELTS BNC: 5526 COCA: 4930
vacuum noun | verb
 1 
vac·u·um / 5vAkjuEm ; 5vAkjuEm /noun
1. Ca space that is completely empty of all gas, especially one from which all the air has been taken away真空
2. Ca vacuum cleaner真空吸尘器
3. sing.a situation in which someone or something is missing or lacking空白; 空虚:
create / leave a vacuum (in sth)
Her husband's death left a vacuum in her life.丈夫的去世使她的生活变得空虚。
power / political / moral etc vacuum
the political vacuum caused by the ban on Communist Party activity禁止共产党活动引发的政治真空状态
4. in a vacuum existing completely separately from other people or things and having no connection with them在封闭状态中; 与外界隔绝:
The process of learning a language does not take place in a vacuum.学习语言的过程不是在封闭状态下进行的。

 2 
vacuumverb I,T
1. to clean using a vacuum cleaner用真空吸尘器打扫
picture on page A3

© Copyright 2018