您要查找的是不是：
- double hinged arm 双枢杆
- double hinged swivel wall drilling machine 复式转臂墙钻床
- double hinged swivel arm 复式转臂
- a gripping tool with two hinged arms and (usually) serrated jaws 有装铰链的臂和（通常）锯齿状的钳嘴的紧夹的工具
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- a gripping tool with two hinged arms and (usually) serrated jaws. 有装铰链的臂和（通常）锯齿状的钳嘴的紧夹的工具。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- hinged arm 枢杆
- a door that swings on a double hinge 一种双动的自止门
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- Reserve double room June fourth to tenth inclusive. 预订双人房间，六月四日至十日，共六晚，望订妥复电。
- In this case, I can double for penalty. 假如这样的话，我可以叫加倍了。
- Can you tell me the rate for a double room, please? 请告诉我一间双人房的费用可以吗？
- The soldiers came at the double. 士兵们是急行军来的。
- A couch performs a double service. 躺椅有双重的服务。
- Look, double yellow lines you mustn't park here. 喂，这是双黄线--不能在这儿停车。
