the teacher (sitting among) the students is our English teacher

问题描述:

the teacher (sitting among) the students is our English teacher
为什么用sitting among.这句话怎么翻译

分词短语作后置定语,相当于一个定语从句.
the teacher (who is sitting among) the students is our English teacher
正坐在学生当中的那位老师是我们的英语老师.