The harsh dry tongue grated like sandpaper against his cheek.
那条粗糙的干舌头正像砂纸一样地磨擦着他的两腮.
Moving swiftly through the atmosphere, meteoroids are heated rapidly by friction.
流星体在快速穿过大气层时, 因磨擦而迅速加热.
Constant rubbing had frayed his shirt cuffs.
不断的磨擦磨破了他的衬衣袖口.
When they meet their tamed brothers, they rub noses and mingle with them, grazing and frolicking.
它们对许多牧马都熟悉, 相见时彼此用鼻子对闻, 彼此用头亲热地磨擦,然后就合群在一起吃草,嬉逐.
Lazily , he rolled over and rubbed his belly against the soles of the girl's shoes.
然后它懒懒地靠到林小姐的脚背上, 就林小姐的鞋底来磨擦它的肚皮.
We allow for wear through friction in designing the parts of every machine.
我们设计每台机器的部件时,都考虑磨擦造成的损耗.
The object of using ball - bearings is to reduce the friction.
使用滚球轴承的目的在于减少磨擦.
This tyre seems badly worn; it must be rubbing against on something.
这轮胎看来磨损严重, 一定被什么东西磨擦了.
Whenever the chalk skids across the blackboard It'sets my teeth on edge.
每当粉笔在黑板上打滑时,那磨擦声就使得我心烦意乱.
Friction manifests itself as a force that opposes motion.
磨擦表现为阻碍运动的力.
Rub a freshly cut cucumber over your shoes for a nice shine.
这时可以把刚切下来的小黄瓜拿来磨擦皮鞋,能让鞋子亮晶晶.
Because of the ice and the snow, it has less frictional force.
再加上冰雪在减少磨擦力.
If the normal, high - speed friction film and brake drum clearance.
若正常, 可 高速 磨擦片与制动鼓间隙.
Every time he accelerates, he likes to burn rubber.
每次他突然加速, 路面上都会留下磨擦的痕迹.
Why can we get fire by rubbing the stick against the wood?
为什么我们能通过在木头上磨擦类棍来取火?