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

• Conduction: steady and unsteady heat conduction, planar wall, radial system, fin, lumped-heat capacity method.
  热传导：稳态与暂态热传导，平面壁，径向系统，散热片，总容量法。
• With Time-Accurate simulation about one transonic fan stage unsteady flow, some sketches related to unsteady flow are understood.
  文章通过对一跨音风扇级非定常流场时间精确模拟，对叶轮机非定常流动建立了一定理解。
• 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。
• 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]？
• 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。
• A numerical investigation is carried out for the phase change in the unsteady expansion of humid gases.
  采用数值方法对激波管非定常膨胀过程中，汽液相变与流场的相互作用进行了模拟。
• 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。
• Come down quickly, the ladder is unsteady!
  梯子不牢，快下来！
• The problem of rotor-bearing with nonlinear stiffness under an unsteady oil-film force was studied when rub-impact happened.
  研究了在非稳态油膜力作用下非线性刚度转子系统发生碰摩时的振动问题。
• 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。