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

• 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。
• A special type of unsteady motions which bear a resemblance to plane wave solutions of the linear theory of elasticity can be constructed.
  一种特殊类型的、和线性弹性理论中的平面波解有点相像的非稳态运动可以建立起来。
• Airflow temperature; Thermal conductivity; Unsteady heat transfer coefficient; Wall rock heat transfer;
  风流温度；导热系数；不稳定传热系数；围岩传热；
• Flapping and rotary gap have been investigated with the help of transonic unsteady aerodynamic forces.
  使用跨音速非定常空气动力，对扑动间隙和旋转间隙进行研究。
• Steady and unsteady heat transfer of bottom electrode were simulated by FLUENT on the basis of2D heat transfer model.
  采用Fluent软件和文献建立的二维传热模型，对底电极稳态和非稳态的传热过程进行了数值模拟。
• A numerical method is developed to simulate the unsteady flows involving moving boundaries.
  发展了可用于模拟包含运动边界的非定常流动的数值方法。
• 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 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。
• 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。
• 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。