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首页英语词典unsteadyunsteady的意思

unsteady

英 [ʌn'stedɪ] 美[ʌn'stɛdi]

英英释义考试真题实用场景例句

近义词unsafe unsure unstable unsound weak unreliable

反义词

adj. 不稳定的；不规则的；摇摆的；无常的
vt. 使不稳定；动摇

畅通词汇

词态变化

副词: unsteadily;名词: unsteadiness;

英英释意

1. subject to change or variation especially in behavior;: "her unsteady walk"; "his hand was unsteady as he poured the wine"; "an unsteady voice"

2. not having a steady rhythm;: "an arrhythmic heartbeat"

3. not firmly or solidly positioned;: "climbing carefully up the unsteady ladder"; "an unfirm stance"

英文词源

unsteady (adj.): 1590s, "not firm or secure in position," from un- (1) "not" + steady (adj.). Similar formation in Old Frisian unstadich, German unstätig, Middle Dutch onstadich. Meaning "marked by irregularity" is from 1680s. Related: Unsteadily (1550s).
unsteady (v.): "make unsteady," 1530s, from un- (2) "reverse, opposite of" + steady (v.). Related: Unsteadied; unsteadying.

考试真题

As the brain attempts to force the unsteady hand to do its bidding, the tension between the two results in a more compressed, psychologically denser expression.

实用场景例句

She is still a little unsteady on her feet after the operation.: 手术以后她还有点站不稳。

an unsteady hand: 颤抖的手

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。

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。

His voice was unsteady and only just audible...: 他的声音发颤，而且小得只刚刚能听见。

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。

...a slightly unsteady item of furniture.: 一件稍微有些不结实的家具

By the analysis of the unsteady pumping test data near the hydrogeological boundary.: 通过水文地质边界附近非隐定流抽水试验资料的分析.

The unsteady aerodynamic and moment characteristics of the models and the unsteady wall pressure are measured.: 研究中测量了模型的气动力及力矩特性,同时测量了风洞的非定常壁压.

An unsteady thermal conduction model of its envelope was built and the dynamic load was calculated.: 以某一低温实验装置为例,建立其围护结构非稳态传热数学模型,对动态负荷进行计算.

Analytical results show that the unusual noise source is chiefly due to unsteady combustion.: 测试结果表明,国产机噪声异常主要是由于不稳定燃烧造成的.

Ambient pressure and correlation between parameters have strong influence on PDE performance when working is unsteady.: 以非稳态方式工作的脉冲爆震发动机(PDE),环境压力、参数之间的强相关性对其性能影响很大.

The unsteady flows in a agitator calculated numerically, and compared with the author � � s experimental data.: 研究了搅拌器内非定常流场的分布, 并与实验结果做了比较.

Presently the low and unsteady yield is a main problem existing in Carya cathayensis prodution.: 目前山核桃(Caryacathayensis Sarg.)生产中,存在的主要问题是产量不稳不高.

The unsteady condition of mill vibration that it was caused vibration of strip was investigated.: 分析研究了带材横向振动导致轧机振动失稳的条件和机理.

Especially if i feel unsteady and insecure i sometimes try to cover this with jokes.: 尤其是当我感到不稳定和不安全时,我会试图用玩笑掩盖这些.

Results show that EM does provide unsteady design of turbomachinery an operable degree of freedom.: 结果表明,缘线匹配为叶轮机非定常设计提供了可操作的自由度.

One, pass to the floor person difficulties existence of description, outstanding floor claim of unsteady.: 第一, 通过对底层人物艰难生存的描绘, 突出底层诉求的不稳定性.

Numerical calculations were performed to investigate the effects of unsteady wakes on film cooling.: 利用数值计算的方法研究了非定常尾迹对动叶气膜冷却效率的影响.

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.

This type of flow has not only complex flow separation , but character of unsteady bringing noise.: 这类流动不仅具有复杂的流动分离结构, 而且常常不稳定,也是噪声发生的主要区域.

He's a bit unsteady on his pins.: 他的两腿还有点站不稳.

How can you still use this unsteady stool.: 这只希里光当的板凳,怎么还在用啊?

Blade element theory was used to calculate unsteady aerodynamic loads in linear and nonlinear regimes.: 桨叶气动力计算采用时域非定常空气动力计算模型,包括非线性分离和动态失速的影响.

Gas ejection from gun muzzle is a more complex unsteady process.: 火炮的后效期现象是一种比较复杂的非定常气体动力学现象.