n.刚度，僵硬，硬度，强直

The bridge's stiffness allows it to withstand heavy loads without bending excessively.
这座桥的刚度使其能承受重载而不致过度弯曲。
The stiffness of the new material is remarkable, making it ideal for aerospace applications.
这种新材料的硬度令人瞩目，非常适合航空航天领域使用。
She was quite stiff after spending the whole day standing at the柜台.
她在柜台站了一整天后，显得有些僵硬。
The yoga practice helps improve flexibility and reduce stiffness in muscles.
瑜伽练习有助于提高身体柔韧性和减少肌肉僵硬。
The old man had stiffness in his joints due to arthritis.
老人因为关节炎而感到关节僵硬。
The engineer adjusted the suspension system to increase the car's stiffness for better handling.
工程师调整了悬挂系统，以增加汽车的刚性，提升操控性能。
A good mattress should provide both comfort and adequate stiffness for back support.
好的床垫应提供舒适度和足够的硬度以支撑背部。
The stiffness in her neck prevented her from turning her head fully.
她的颈部僵硬使她无法完全转动头部。
The stiffness of a violin string affects its tone quality.
小提琴弦的硬度会影响其音质。
The robot's joints were designed with adjustable stiffness to adapt to various tasks.
机器人的关节设计有可调节的硬度，以便适应各种任务。