Pra
abbr. 涂料研究協(xié)會(huì)（Paint Research Association）；初級(jí)速率存取（Primary Rate Access）；脈沖張弛放大器（pulse relaxation amplifier）
??? 情景例句
Remember your father-in-law's a pediatrician.
記住你公公是小兒科醫(yī)師。
Caution is the parent of safety.
謹(jǐn)慎小心是安全之源。
Unfortunately it will cost a lot of money.
遺憾的是，這要花很大一筆錢。