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Let's pin the notice on the bulletin board. 咱们把这个通知钉在布告牌上吧。
I prick the map with a pin to show our route. 我用大头针在地图上扎孔标出我们的路线。
I bought a tie pin for my husband yesterday. 昨天我给丈夫买了一支领带别针。
She's a difficult person to pin down. 她这人行事、说话没个准儿。
Friction causes a rolling ball to stop finally. 摩擦力使滚动的球最终停了下来。
Constant friction wore out the heels of my shoes. 不断的摩擦磨损了我的鞋跟。
Friction between two sticks can create a fire. 两个棍棒相互摩擦能起火。
A pin in the print head of a computer printer. 撞针计算机打印机的印刷头上的撞针
It is evident you never cared a pin for me. 很明显，你从来就不把我放在心里。
Let's pin up the map on the wall now. 现在让我们把地图钉在墙上。
She did not care a pin about it. 她对此毫不在乎。
The room was as neat as a new pin. 房间十分整洁。
In the absence of friction belted machinery would not be used. 没有摩擦力，皮带传动的机器就无法使用。
He burst the balloon with a prick of the pin. 他用针一戳，气球就爆了。
A thrust with the pin broke the balloon. 用针一戳，气球就爆了。
You must pin down every quotation to its author. 你一定要确定每一个引文的作者是谁。
She powdered the rolling pin with flour. 她洒了点面粉在赶面棒上。
I pricked the map with a pin to show our route. 我用大头针在地图上扎孔标出我们的路线。
The pin held the 2 pages together. 大头针把两页纸别在一起。
Matches are lighted by friction. 火柴由摩擦而生火。