step by step braking

例句：

1. 1.We need to slow down our speed and step by step approach the finish line.
   我们需要放慢速度，逐步接近终点。
2. 2. The driver carefully stepped by step through the intersection.
   司机小心地逐步通过十字路口。
3. 3. The project is divided into several steps, each step by step completed.
   该项目分为几个步骤，每个步骤逐步完成。