单词
vacuum
读音
ˈvækjuːm
美式
英式
词根
无
释义
n. 真空；空缺，空白；真空吸尘器 adj. 真空的；利用真空的；产生真空的 vt. 用真空吸尘器清扫 [ 复数 vacuums或vacua 第三人称单数 vacuums 现在分词 vacuuming 过去式 vacuumed 过去分词 vacuumed ]
例句
Vacuum cleaners work by suction.
真空吸尘器靠抽吸除尘。
The vacuum has an unpleasant smell.
这个真空吸尘器有股难闻的气味。
Exclusion of air creates a vacuum in the bottle.
瓶子里的空气排除后就产生真空。
Vacuum cleaners work by suction.
真空吸尘器靠抽吸除尘。
The vacuum has an unpleasant smell.
这个真空吸尘器有股难闻的气味。
Exclusion of air creates a vacuum in the bottle.
瓶子里的空气排除后就产生真空。
强化记忆
无
看视频学发音
So to go to vacuum is only one atmosphere,or near-vacuum.So actually, it sort of turns out that automatically,
It weakens the social bonds that make our lives worth living.And into that vacuumgrow these violent, intolerant forces.
but it's unfortunate,and the vacuum here,the world is not that used to,
they create a vacuum, andpolitics abhors a vacuum,and unsavory forces can fill that,
that would generate tiny amounts of friction and heat,even in a vacuum.That heat is energy escaping,
所属分类
大学,出国,专升本-自考,其他
所在词典
