'vacuum .flask n[C]BrE a special container that keeps liquids hot or cold = thermos
1. But when you live alone, the temporary absence of your friends and acquaintances leaves a vacuum; they may never come back. 但如果你单独居住,那么朋友或熟人的暂时离别会使你感到空虚,也许他们永远也不会回来了。
2. When lights fuse, furniture gets rickety, pipes get clogged, or vacuum cleaners fail to operate, 每当电灯保险丝烧断、家具榫头松动、管道堵塞、吸尘器不动时,
3. There has been a vacuum in his life since his wife died. 他妻子去世后他的生活很空虚.
4. That leaves private industry — computer, phone, and cable companies — to move into the vacuum left by the government's absence. 这就使得私人企业 -- 电脑公司、电话公司、有线电视公司 -- 得以填补由于政府无法顾及所留下的空缺。
5. He sold the idea, now called a vacuum cleaner(真空吸尘器), to a man named William H. Hoover. The company is still making Hoover vacuums and we're a little bit cleaner for it. 他把这项现在叫做真空吸尘器的发明卖给了一个叫威廉·H·胡佛的男子。他的公司至今仍在制造胡佛牌真空吸尘器,我们的环境也因此而变得干净些了。