The scientist explained how a vacuum works in space.
科学家解释了真空在太空中如何工作。
She used a vacuum to clean the entire house.
她用吸尘器清扫了整个房子。
In a vacuum, sound cannot travel.
在真空中，声音无法传播。
The vacuum cleaner broke down last night.
吸尘器昨晚坏了。
He felt like he was living in a vacuum.
他觉得自己像是生活在一个真空中。
The company developed a new type of vacuum seal.
公司开发了一种新型的真空密封。
The experiment requires a vacuum environment.
实验需要一个真空环境。
They discussed the concept of a vacuum in physics class.
他们在物理课上讨论了真空的概念。
The room was as silent as a vacuum.
房间静得像个真空。
The astronaut wore a suit to withstand the vacuum of space.
宇航员穿上了宇航服以抵御太空的真空。
vacuum pump 真空泵
vacuum seal 真空密封
vacuum chamber 真空腔
vacuum packaging 真空包装
vacuum tube 真空管
vacuum insulation 真空绝缘
复数: vacua;
第三人称单数: vacuums;
过去式: vacuumed;
过去分词: vaccumed;
现在分词: vacuuming;
