intermediate continuous motion statement

例句：

1. 1. The teacher explained theintermediate steps in the experiment.
   老师解释了实验中的中间步骤。
2. 2. The company is looking foran intermediate position in its recruitment process.
   公司正在寻找招聘过程中的中间职位。
3. 3. Thestudent needs to work his way up froman intermediate level to a senior level.
   学生需要从中级水平升到高级水平。