hinged joint

简明释义

铰链接合

英英释义

例句

1.We need to replace the hinged joint on this cabinet door.

我们需要更换这个橱柜门上的铰接关节。

2.The human elbow is an example of a hinged joint.

人类的肘部是一个铰接关节的例子。

3.The door swings open smoothly thanks to its hinged joint.

这扇门因其铰接关节而顺畅开启。

4.The design of the chair includes a hinged joint for easy folding.

这把椅子的设计包括一个铰接关节，便于折叠。

5.In robotics, a hinged joint allows for more natural movement.

在机器人技术中，铰接关节允许更自然的运动。

作文

The human body is an intricate system of bones, muscles, and joints that work together to facilitate movement. Among the various types of joints found in the body, the hinged joint plays a crucial role in our everyday activities. A hinged joint is a type of synovial joint that allows for movement in one plane, similar to the way a door opens and closes. This design is particularly efficient for performing tasks that require bending and straightening motions, such as walking, running, and grasping objects.One of the most well-known examples of a hinged joint in the human body is the knee. The knee joint connects the thigh bone (femur) to the shin bone (tibia) and is essential for mobility. When we bend our knees, the hinged joint allows for flexion, enabling us to crouch down or sit. Conversely, when we stand up straight, the hinged joint facilitates extension, allowing us to return to an upright position. This simple yet effective mechanism illustrates how vital hinged joints are for our daily movements.Another example of a hinged joint is the elbow. The elbow joint connects the upper arm bone (humerus) to the two bones in the forearm (radius and ulna). Like the knee, the elbow allows for flexion and extension, making it possible for us to perform activities such as lifting, throwing, and pushing. The structure of the hinged joint in the elbow is designed to provide stability while also allowing for a wide range of motion, which is essential for many sports and physical activities.In addition to these major joints, hinged joints can also be found in various other parts of the body, including the fingers and toes. These joints enable us to grip objects, write, and perform intricate tasks that require fine motor skills. The design of hinged joints allows for precision and control, which is essential for activities ranging from playing musical instruments to typing on a keyboard.Understanding the function and importance of hinged joints can help us appreciate the complexity of the human body. It also highlights the need for proper care and maintenance of our joints. As we age or engage in repetitive activities, our joints may become stiff or injured. Therefore, it is crucial to incorporate exercises that promote flexibility and strength in the muscles surrounding hinged joints. Activities such as stretching, yoga, and resistance training can help maintain joint health and prevent injuries.In conclusion, hinged joints are vital components of our skeletal system that allow for essential movements in our daily lives. From the knee to the elbow and beyond, these joints play a significant role in our ability to move freely and perform a variety of tasks. By understanding their function and taking steps to protect them, we can ensure that we continue to enjoy an active and fulfilling life. The next time you bend your knee or lift your arm, take a moment to appreciate the remarkable design of the hinged joint and the incredible capabilities it provides.

人体是一个复杂的骨骼、肌肉和关节系统，这些部分共同协作以促进运动。在人体中，铰接关节是各种关节类型中起着至关重要作用的一种。铰接关节是一种滑膜关节，允许在一个平面内运动，类似于门的开关。这种设计在执行需要弯曲和伸展动作的任务时特别高效，例如走路、跑步和抓取物体。在人体中，最著名的铰接关节之一是膝关节。膝关节连接大腿骨（股骨）和小腿骨（胫骨），对移动至关重要。当我们弯曲膝盖时，铰接关节允许屈曲，使我们能够蹲下或坐下。相反，当我们站直时，铰接关节促进伸展，使我们能够恢复到直立姿势。这个简单而有效的机制说明了铰接关节对我们日常运动的重要性。另一个铰接关节的例子是肘关节。肘关节连接上臂骨（肱骨）与前臂中的两根骨头（桡骨和尺骨）。与膝关节一样，肘关节允许屈曲和伸展，使我们能够执行抬起、投掷和推送等活动。肘部的铰接关节结构旨在提供稳定性，同时也允许广泛的运动范围，这对许多运动和身体活动至关重要。除了这些主要关节外，铰接关节还可以在身体的其他各个部分找到，包括手指和脚趾。这些关节使我们能够抓取物体、写字和执行需要精细运动技能的复杂任务。铰接关节的设计允许精确和控制，这对从演奏乐器到在键盘上打字等活动至关重要。理解铰接关节的功能和重要性可以帮助我们欣赏人体的复杂性。它还突显了正确护理和维护关节的必要性。随着年龄的增长或参与重复活动，我们的关节可能会变得僵硬或受伤。因此，结合促进灵活性和增强围绕铰接关节的肌肉力量的锻炼至关重要。拉伸、瑜伽和抗阻训练等活动可以帮助维持关节健康，预防受伤。总之，铰接关节是我们骨骼系统的重要组成部分，允许我们在日常生活中进行基本运动。从膝盖到肘部及其他部位，这些关节在我们自由移动和执行各种任务的能力中发挥了重要作用。通过理解它们的功能并采取措施保护它们，我们可以确保继续享受积极和充实的生活。下次当你弯曲膝盖或抬起手臂时，花一点时间去欣赏铰接关节的卓越设计和它所提供的惊人能力。