We had a vigilant pta , of which my mother was president .

学校接受家庭教师协会（PTA）的严格监管，我的母亲则担任着PTA的主席。

Are you going to the pta meeting tonight ?

今晚你去参加家长教师协会的会议吗？

Progress in pta technology developed by mitsui petrochemical co.

三井油化公司pta工艺技术进展。

To report the schedule of the printing of pta newsletter .

汇报家教会会讯之印制进度。

And it was strongly suggested thati resign from the pta .

而且强烈要求我从家庭教师组织里退出.