adj.摩擦的；由摩擦产生的；有阻尼的

The frictional force between the two surfaces causes the object to slow down.
摩擦力是两个表面之间产生的，导致物体减速。
Workers in this industry often experience high levels of frictional unemployment.
这个行业中的员工常常会遇到较高的摩擦性失业率。
The car's brakes were worn out due to excessive friction.
车的刹车片因为过度摩擦而磨损了。
The friction between the tires and the road is crucial for maintaining control of the vehicle.
轮胎与路面之间的摩擦对于维持车辆控制至关重要。
The new policy aimed to reduce frictional costs for small businesses.
新政策旨在降低小型企业的摩擦成本。
The rough surface increased the friction, making it harder to slide the object.
粗糙的表面增加了摩擦，使得滑动物体变得更困难。
The friction caused by the wind resistance slowed down the cyclist's speed.
风阻引起的摩擦减慢了骑车人的速度。
The new material has low friction, which makes it ideal for use in moving parts.
这种新材料摩擦系数低，非常适合用于移动部件。
The gears in the machine experience friction which can lead to wear over time.
机器中的齿轮会经历摩擦，随着时间的推移可能导致磨损。
The frictional loss in the pipe was calculated using the Darcy-Weisbach equation.
使用达西-韦伯哈根方程计算了管道中的摩擦损失。