tooth pick

基本解释

Think of using a tooth-pick to poke an orange at highspeed. See if you can make a symmetrical linear cut.
想像你用一根牙签以高速度去戳一个橘子。你可以将那橘子造成对称而且线形的切痕？
When a tooth of the reluctor aligns with the tooth of the pick-up coil, a voltage signal is sent to the ignition module.
当磁阻轮的一个齿与传感线圈的齿对正时，就将一个电压信号送给点火模块。
Results showed that: in the same cutting depth, the force employed on the point-attack pick is bigger than that on the knife tooth;
试验结果表明：相同截深时锥形截齿截割力比扁型截齿截割力大；

A toothpick is a small stick which you use to remove food from between your teeth.