您要查找的是不是：
- at a double speed 以加倍的速度
- He is driving at a terrific speed. 他以极快的速度驾驶。
- He usually drives at a moderate speed. 他通常中速驾驶。
- The train is going at a high speed. 火车正在高速行进。
- The signals go to and fro at a very high but almost constant speed. 那些信号用非常快但几乎不变的速度来回传送。
- The tiger in the cage gnawed listlessly at a bone. 笼子里的老虎在没精打采地啃一根骨头。
- He will sell his house at a sacrifice because he needs money. 因为他缺钱，他将亏本出售他的房子。
- Raindrop fall at a speed of about500 to1,000 feet a minute. 雨点以每分钟大约五百到一千英尺的速度下降。
- A variety of food is sold at a supermarket. 超级市场各式各样的食物均有出售。
- A live band is always a good draw at a party. 现场演奏的乐队在聚会上总是很吸引人的。
- At a distance of six miles you can't see much. 距离六英里以外的东西很难看清。
- New violence in Baghdad has left at least 13 people dead. They were killed in a double suicide car bomb attack at a police station. More than 80 other people were hurt. 在巴格达的新的暴力事件导致至少13人死亡.;他们是在两起自杀性汽车炸弹袭击警察局时死亡的
- He used to abandon his work for months at a time. 他过去每次放下工作就是几个月。
- We can get six people round this table at a pinch. 必要时这张桌子可以坐六个人。
- I want to sing at a karaoke bar next. 接下来，我想去卡拉OK酒吧唱歌。
- She cocked her hat at a jaunty angle. 她把帽子歪戴着,一副俏皮的样子。
- The old man set off at a quick trot. 老人快步走开了。
- You may open a current account at a bank. 你可以在银行开立一个活期帐户。
- I got this cheap at a department store sale. 我在百货公司特价廉售时买到了这件便宜货。
- I will sell the house at a price within reason. 我将以合理的价格出售这幢房子。
