provocative的动词？什么是PO编号？

动词是provocate，中文意思是v. <罕>激怒；刺激；挑拨

Compared with picture clues, verbal clues be able to provocate aggression cognition easily, and then affects the college students' judgment of aggression possibility.

学英语的一般常解释为provocative operation (诱导性操作),但国际贸易中是定单的意思，PURCHASE ORDER。PO在贸易中可以理解为收到这个后安排出货事宜