stiffness

简明释义

英[ˈstɪfnəs]美[ˈstɪfnəs]

n. 僵硬；坚硬；不自然；顽固

英英释义

单词用法

同义词

反义词

例句

1.Initial symptoms are fever, fatigue, headache, vomiting, stiffness in the neck and pain in the limbs.

初期症状包括发热、疲乏、头痛、呕吐、颈部僵硬以及四肢疼痛。

2.Do this for about 5-10 minutes and you will see less stiffness in your muscles afterwards.

这样进行5-10分钟后就能减少肌肉的僵硬。

3.Drinking alcohol may reduce the pain, stiffness, and joint damage caused by rheumatoid arthritis, reports new research.

新研究表明，饮酒也许能缓解由风湿性关节炎引起的疼痛、僵硬和关节损伤。

4.If you can't reach your toes, you may be at increased risk for arterial stiffness.

如果你够不到脚趾，动脉硬化的风险就有可能增加。

5.This is an area where the stiffness of the concrete structures significantly changes.

在这个区域水泥结构的粘着力会发生巨大变化。

6.Piano designers balance tension and stiffness of music wire, but many other factors are considered as well.

钢琴设计师们平衡琴丝的张力和刚度，但也同时考虑了许多其他的因素。

7.To find out, he and his colleagues grew embryonic heart cells on matrixes of differing stiffness.

为了找到答案，他和他的同事在不同硬度的基质上培育胚胎心脏细胞。

8.After the workout, I felt a lot of stiffness in my muscles.

锻炼后，我感到肌肉有很大的僵硬。

9.The stiffness of the new shoes made them uncomfortable to wear.

新鞋的僵硬让它们穿起来不舒服。

10.He noticed a slight stiffness in his neck after sleeping awkwardly.

他发现自己在奇怪的姿势睡觉后，脖子有一点僵硬。

11.The engineer measured the stiffness of the beam to ensure it could support the load.

工程师测量了梁的刚度以确保它能承受负载。

12.As I age, I experience more stiffness in my joints.

随着年龄的增长，我在关节中感受到更多的僵硬。

作文

Stiffness is a term that we often encounter in various fields, such as physics, engineering, and even in daily life. In general, stiffness (刚度) refers to the rigidity of an object, indicating how much it resists deformation when a force is applied. For instance, when you sit on a soft sofa, it sinks under your weight due to its low stiffness (刚度). Conversely, a wooden chair has a higher stiffness (刚度), allowing it to maintain its shape under pressure. In physics, stiffness (刚度) is quantitatively defined as the ratio of the force applied to the displacement produced. This relationship is crucial in understanding how materials behave under stress. For example, engineers must consider the stiffness (刚度) of materials when designing structures to ensure they can withstand loads without collapsing. A bridge made from steel will have a different stiffness (刚度) compared to one made from concrete, and this difference affects their respective designs and safety. Moreover, stiffness (刚度) can also be observed in biological contexts. When we talk about muscle stiffness (刚度), we refer to the tension and resistance to movement in our muscles. After a vigorous workout, many people experience muscle soreness and increased stiffness (刚度), which can make it difficult to move freely. This phenomenon is commonly known as delayed onset muscle soreness (DOMS). Understanding muscle stiffness (刚度) (刚度) is essential for athletes and fitness enthusiasts, as it can impact performance and recovery. In everyday life, we might notice stiffness (刚度) in various objects around us. For example, when using a pencil, the lead's stiffness (刚度) determines how easily it can be broken or how well it can write on paper. A softer pencil lead has less stiffness (刚度), making it easier to break but also allowing for smoother writing. On the other hand, a harder pencil lead offers more stiffness (刚度), resulting in finer lines but requiring more pressure to use effectively. Understanding stiffness (刚度) is not only important in technical fields but also enhances our appreciation of the world around us. By recognizing how stiffness (刚度) affects the materials we interact with daily, we can make more informed choices in everything from furniture selection to exercise routines. Whether we are discussing the stiffness (刚度) of a material or the stiffness (刚度) of our muscles, this concept plays a vital role in both science and our everyday experiences. In conclusion, stiffness (刚度) is a multifaceted concept that transcends various disciplines. Its implications are seen in engineering, biology, and even our daily lives. By grasping the significance of stiffness (刚度), we can better navigate the complexities of the physical world and enhance our understanding of how things work. Therefore, whether it is a bridge, a piece of furniture, or our own bodies, stiffness (刚度) remains a fundamental aspect of our existence.

刚度是一个我们在物理学、工程学甚至日常生活中经常遇到的术语。一般来说，stiffness（刚度）指的是物体的刚性，表示当施加力时它抵抗变形的能力。例如，当你坐在一个柔软的沙发上时，由于其低 stiffness（刚度），它会因你的体重而下沉。相反，一个木椅则具有更高的 stiffness（刚度），使其能够在压力下保持形状。 在物理学中，stiffness（刚度）定量地定义为施加力与产生位移的比率。这种关系对于理解材料在应力下的行为至关重要。例如，工程师在设计结构时必须考虑材料的 stiffness（刚度），以确保它们能够承受负荷而不坍塌。一座由钢材制成的桥与一座由混凝土制成的桥，其 stiffness（刚度）不同，这种差异影响着它们各自的设计和安全性。 此外，stiffness（刚度）在生物学背景中也可以观察到。当我们谈论肌肉的 stiffness（刚度）时，我们指的是肌肉的紧张和对运动的抵抗。经过剧烈锻炼后，许多人会感到肌肉酸痛和增加的 stiffness（刚度），这可能使活动变得困难。这种现象通常被称为延迟性肌肉酸痛（DOMS）。了解肌肉的 stiffness（刚度）对运动员和健身爱好者至关重要，因为它会影响表现和恢复。 在日常生活中，我们可能会注意到周围各种物体的 stiffness（刚度）。例如，在使用铅笔时，铅芯的 stiffness（刚度）决定了它多容易折断或在纸上写得多好。较软的铅笔芯具有较低的 stiffness（刚度），使其更容易折断，但也允许更流畅的书写。另一方面，较硬的铅笔芯提供更多的 stiffness（刚度），导致更细的线条，但需要更大的压力才能有效使用。 理解 stiffness（刚度）不仅在技术领域重要，也增强了我们对周围世界的欣赏。通过认识到 stiffness（刚度）如何影响我们日常互动的材料，我们可以在从家具选择到锻炼计划方面做出更明智的选择。无论我们是在讨论材料的 stiffness（刚度）还是我们肌肉的 stiffness（刚度），这一概念在科学和我们的日常经历中都发挥着至关重要的作用。 总之，stiffness（刚度）是一个多方面的概念，跨越多个学科。其影响在工程学、生物学甚至我们的日常生活中都能看到。通过掌握 stiffness（刚度）的意义，我们可以更好地驾驭物理世界的复杂性，增强我们对事物运作方式的理解。因此，无论是一座桥、一件家具，还是我们自己的身体，stiffness（刚度）始终是我们存在的基本方面。