speed detecting

• 测速

speed detecting的用法和样例：

例句

1. Your speedometer is stuck in the max speed position.
   你的测速表卡在最高速度位置上。
2. The driver was flashing his lights to warn others of a speed trap.
   司机闪动了几下灯光，以提醒其他司机进入了测速区。