PTA

美 [.pi ti 'eɪ]

英 [.piː tiː 'eɪ]

abbr.〈美(=Parent-Teacher Association)学生家长和教师联谊会
网络精对苯二甲酸(Pure Terephthalic Acid)；凝血酶原活动度；经皮腔内血管成形术(percutaneous transluminal angioplasty)

复数：ptas

权威英汉双解

pta

1.	家长教师联谊会，家长教师会（全写为 parent-teacher association）the abbreviation for‘parent-teacher association’ (a group run by parents and teachers in a school that organizes social events and helps the school in different ways)