n. 洗衣店;清洁剂( cleaner的名词复数 );保洁员;吸尘器;干洗店
网络 洗衣店; 清洗剂; 保洁员
Vacuum cleaners work by suction.
真空吸尘器靠抽吸除尘。
I picked up my coat from the cleaners.
我从干洗店取回了外衣。
Each morning cleaners make sure everything is spotless.
每天早上清洁工们确保一切都干干净净。
It was only when electric motors became advanced that vacuum cleaners became common.
只有电动机变得先进时,真空吸尘器才会普遍使用。
The cordless, hand-held tools we use in our homes, such as vacuum cleaners, flashlights, drills and saws came from the technology of these early space programs.
我们家中所使用的无线手提工具,比如真空吸尘器、手电筒、钻头和锯,都来自于早期太空项目里的技术。