Pra
abbr. 涂料研究协会（Paint Research Association）；初级速率存取（Primary Rate Access）；脉冲张弛放大器（pulse relaxation amplifier）
🗣️ 情景例句
I want to see other people.
我想换换别人。
There's something wrong with the phone.
电话出了点儿毛病。
Clusters of tin insects called aphids were to be found on the underside of the leaves.
结果在树叶背面找到成串的叫作蚜虫小虫子。