Before leaving, Mr. Seymour turned off the vacuum cleaner and the water valve.(在离开之前,西摩先生关掉了真空吸尘器和水阀。)
It pumps water out of tiny bag-like bladders, making a vacuum inside.(它把水从像袋子一样的囊状物里抽出来,使囊状物的内部形成真空状态。)
The Soviet scientist made his experiments with a bad light, on wooden tables, using an old vacuum cleaner instead of a compressor.(这位苏联科学家在木桌上,借着糟糕的灯光做实验,用的是旧吸尘器而不是压缩机。)
The average density of interstellar material in the vicinity of our Sun is 1,000 to 10,000 times less than the best terrestrial laboratory vacuum.(在我们的太阳附近,星际物质的平均密度比最好的地球实验室真空还要低1000到10000倍。)
George squatted on the toilet and peeped forth from his lair to watch her emptying the dust bag of her vacuum cleaner into the trash can.(乔治蹲在马桶上,从他的窝里探出头来,看着她把吸尘器上的尘袋倒进垃圾桶。)
Now we let the volume expand into the vacuum on the other side.(现在我们让体积膨胀到另一边的真空中。)
Instead of flushing, they work like a vacuum cleaner sucking away the astronaut's waste.(不是冲洗,而是像真空吸尘器一样吸走宇航员的排泄物。)
The main reason people pay extra for a Dyson is because it is a vacuum cleaner with a trendy brand.(人们愿意花更多的钱买戴森是因为它是一个时尚品牌的真空吸尘器。)
He could hear the whir of a vacuum cleaner.(他能听到吸尘器的嗡嗡声。)
The latest Japanese vacuum cleaners contain sensors that detect the amount of dust and type of floor.(日本最新款吸尘器装有传感器,能测出灰尘量和地板类型。)