rapid separator

例句：

1. 1. The car accelerated to a rapid speed.
   汽车加速到快速的速度。
2. 2. He moved quickly to catch up with the others.
   他迅速移动以赶上其他人。
3. 3. The rapid changes in weather have disrupted our plans.
   天气的急剧变化已经打乱了我们的计划。