fifth wheel

英 [fɪfθ wiːl]

美 [fɪfθ wiːl]

网络  第五轮; 多余的人或物; 无用之物; 牵引座; 备用轮

英英释义

noun

• a steering bearing that enables the front axle of a horse-drawn wagon to rotate
• an extra car wheel and tire for a four-wheel vehicle
  Synonym:spare
• someone or something that is unwanted and unneeded
  Synonym:deadwood

双语例句

• Tractive force chart Road vehicles& Semi trailer fifth wheel mounting
  牵引力图-汽车的GB/T13880-1992半挂牵引车牵引座的安装
• According to the measurement principle and practice, the fifth wheel method is perfect to be used to measure speed on the hard and flat road.
  根据测量原理及实践可知：五轮仪用在坚硬平直的公路上测速，效果比较理想。
• Some Problems in Designing of the Fifth-Wheel Meter
  五轮仪设计中的几个问题
• Nobody wants to be a fifth wheel.
  谁也不愿做个无用的人。
• We decide to fire that worker, he is just a fifth wheel.
  我们决定开除那个工人，他不过是个多余无用之人。
• When I was young, I always thought that I was the fifth wheel both at home and school, but when I saw the sunshine, I saw hope.
  我年少的时候，我总是觉得我在家里、在学校里都是多余的人，但是，每当我看见阳光，我就看见了希望。
• "Since my girlfriend didn't come, I was a fifth wheel at the party."
  “因为我女友没有来，我在舞会上成为多余之人。”
• When a truck-trailer train is turning or under the action of lateral force, A serious cyclic swing often occurs among the towing vehicle, fifth wheel coupling and trailer owing to the interaction between towing vehicle and trailer.
  由于全挂汽车列车的主车与挂车之间的相互作用，在转弯时，或在侧向力的作用下，常常导致主车、转向架和挂车三者之间产生剧烈的周期性摆动现象。
• I felt like a fifth wheel when I stood there.
  我站在那觉得自己多余。
• All the boys and girls were dancing at the party while I sat at a table alone, feeling like a fifth wheel.
  晚会上，所有的男孩和女孩都在跳舞，只有我孤零零地坐在桌边，感觉自己仿佛是一个多余的人。