unsteady

英 [ʌnˈstedi]

美 [ʌnˈstedi]

adj.  站不稳的; 摇晃的; 颤抖的; 抖动的

Oxford 3000 / BNC.15751 / COCA.16547

牛津词典

adj.

• 站不稳的；摇晃的
  not completely in control of your movements so that you might fall
  1. She is still a little unsteady on her feet after the operation.
     手术以后她还有点站不稳。
• 颤抖的；抖动的
  shaking or moving in a way that is not controlled
  1. an unsteady hand
     颤抖的手

柯林斯词典

• ADJ-GRADED 脚步不稳的；身体摇晃的
  If you areunsteady, you have difficulty doing something, for example walking, because you cannot completely control your legs or your body.
  1. The boy was very unsteady and had staggered around when he got up...
     男孩站立不稳，并且起身后四下走动时步子踉跄。
  2. He poured coffee into the mugs, and with an unsteady hand, held one of them out to David.
     他把咖啡倒进杯里，然后一只手颤巍巍地端了一杯给戴维。
• ADJ-GRADED 不稳定的；不可靠的；无法捉摸的；变幻无常的
  If you describe something asunsteady, you mean that it is not regular or stable, but unreliable or unpredictable.
  1. His voice was unsteady and only just audible...
     他的声音发颤，而且小得只刚刚能听见。
  2. She knew first-hand the impact an unsteady parent could have on a sensitive young girl.
     她有亲身体验，知道情绪变化无常的家长对一个敏感的小女孩会产生什么影响。
• ADJ-GRADED 不牢固的；不稳固的；不结实的
  Unsteadyobjects are not held, fixed, or balanced securely.
  1. ...a slightly unsteady item of furniture.
     一件稍微有些不结实的家具

英英释义

adj

• not firmly or solidly positioned
  1. climbing carefully up the unsteady ladder
  2. an unfirm stance
  Synonym:unfirm
• subject to change or variation
  1. her unsteady walk
  2. his hand was unsteady as he poured the wine
  3. an unsteady voice

双语例句

• As the front foot slipped; the rear foot became unsteady.
  前脚一滑，后脚也站不稳。
• A mathematic model has been built for the unsteady heat transfer from the kettle to the oil inside.
  为此建立了高温超高压釜体到釜腔内液压油的非稳态传热模型。
• When is a Flow Compressible [ For Both Steady and Unsteady Flow]?
  高比压环流器等离子体位形的稳定性什么时候流动是可压缩的[对定常和非定常流来说]？
• The quality of being unsteady& varying and irregular.
  不稳定、容易变化和不规则的属性。
• On reaching the fresh air he was sufficiently unsteady.
  他出来叫凉风一吹，可就有些东倒西歪了。
• This paper presents a ALGOL program for Calculating The lift distribution on wings with control surface in steady and unsteady subsonic flow.
  本文提供了计算亚音速偏转操纵面机翼的定常和非定常升力分布的算法语言程序。
• State space modeling of unsteady aerodynamics for aircraft at high angle of attack is analyzed here.
  对建立纵向大迎角非定常气动力模型的状态空间法进行了分析。
• His voice was unsteady and only just audible
  他的声音发颤，而且小得只刚刚能听见。
• The one dimensional model is employed to simulate the daily regulating unsteady flows below Shuikou reservoir.
  用一维不稳定流数学模型模拟枯水期水口电站下游日调节不稳定流。
• Formulations of the lift and the thrust are derived based on the three-dimensional unsteady vortex lattice method, and the effect on instantaneous shape velocity is analyzed.
  推导了新的基于空间非定常涡格法的扑翼飞行器升力和推力的计算公式，然后分析了瞬时形状速度对它们的影响。