1.vacation
2.vacuum cleaner
1.vacancy
2.vacant
3.vacuum
1.Maurice did not reply, but first put the note with the letters he had received during the vac and afterwards burnt them all.
起初他把这封短笺与假期中收到的那一摞信放在一起，随后将它们一古脑儿烧掉了。
2.I told Roger the other day that I could buy my own Shop Vac, but I liked the interaction with him.
我告诉罗杰，哪一天我就自己去买一个了，但我喜欢这样和他交流。
3.Brian finished the "H-vac" programme in 2007 at the top of his class, but he landed in an economy already beginning to teeter.
2007年，布赖恩以全班前几名的成绩完成了H-vac课程，但此时美国经济已开始步履蹒跚。
4.My tuppence worth from the City trenches : try to keep out of his way , report success and watch the sits- vac ads .
我的建议是：设法置身事外，申报成绩，并关注招聘广告。
5.All three can deliver up to 30 frames per second of high-quality video across the network and can be powered by Ethernet or 24 VAC.
三款摄像机都通过网络每秒30帧传输高质量视频，都使用以太网或者24伏电压。
6.used for paper tube was prepared by cross linked copolymerization of EVA emulsion, VAc and acrylic acid and addition of high quality filler.
以EVA乳液，醋酸乙烯、烯酸通过共聚和交联反应，配以优质填料研制了一种纸管用乳液胶粘剂。
7.She got up out of her chair and walked quickly to my twelve-gallon wet-dry Shop-Vac.
她从椅子上站起来走向我的12加仑吸尘器，发出更大声的噪音来，还跺了跺脚。
8.Multi-Vac Intercept Hoppers can be used to reclaim picked up material or separate material of different bulk densities.
用于回收拾取的材料或根据不同容积密度分离出来的材料。
9.It handles up to eight cameras and offers 24-VAC or 28-VAC selectable outputs to accommodate voltage drops without an external power source.
该装置可同时处理八个摄像机，提供24伏和28伏可选输出，无需外部电源就能适应电压下降。
10.VAC may not ban you immediately - the cheating violation may have occurred days or even weeks before the ban is apparent on your account.
VAC对帐号的禁用可能不是立即生效。作弊行为可能是在您帐号被禁用的几天甚至几周之前发生的。