scrach line

• 起跑线

scrach line的用法和样例：

例句

1. The sports car shot away from the starting line.
   赛车从起跑线上飞驰而去。
2. A false start in a race is when a runner leaves the starting line too soon.
   赛跑时，运动员过早地离开起跑线，是一种犯规。