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

• 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。
• 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。
• 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。
• Unsteady testing for oil and gas well includes testing of drawdown curve and build-up curve.
  油井和气井的压力不稳定测试，包括压降曲线测试和压力恢复测试。
• 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。
• By using inverse method, the analytical solutions of couple stress fluids were obtained for steady and unsteady cases.
  本文采用逆方法研究并获得了应力偶流体的定常和非定常精确解。
• 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。
• 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；
• A time-accurate three-dimensional Navier-Stokes solver of the unsteady flow field in a transonic fan was carried out.
  采用全流道非定常数值模拟方法对进口稳态总压畸变条件下跨声速风扇流场进行求解。
• 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。