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

• Author, using the basic theory of random vibration, has obtained a right expression by attentive derivation and the same result with TSO 8608 and GB 7031& 86. This paves the way for establishing an equation to calculating road pavement spectrum measurement by fifth wheel.
  笔者运用随机振动基础理论，经过仔细推导得出正确的表达式，与TSO8608及GB7031&86取得一致的结果。从而为第五轮测量路面谱计算公式的建立铺平了道路。
• Nobody wants to be a fifth wheel.
  谁也不愿做个无用的人。
• The typical measurement speed methods are mark post measurement method, fifth wheel method, radar speed measurement method and so on in our country.
  在我国，测量速度的典型方法主要有标杆法、五轮仪法、雷达测速法。
• Brought a fifth wheel to take notes.
  带上一个电灯泡。
• Some Problems in Designing of the Fifth-Wheel Meter
  五轮仪设计中的几个问题
• 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。
• 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。
• "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。”
• 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
• The real time kinematic ( RTK) fifth wheel for vehicle road tests is successfully developed using GPS carrier phase RTK technology.
  利用GPS载波相位RTK技术研制成了汽车道路试验RTK五轮仪。