unsteady
adj. 不坚固的; 不一贯的; 摇晃的; 无常的
If you are unsteady, you have difficulty doing something, for example walking, because you cannot completely control your legs or your body.
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。
If you describe something as unsteady, you mean that it is not regular or stable, but unreliable or unpredictable.
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。
Unsteady objects are not held, fixed, or balanced securely.
...a slightly unsteady item of furniture.
一件稍微有些不结实的家具
1. subject to change or variation especially in behavior;
2. not having a steady rhythm;
3. not firmly or solidly positioned;
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.