psiKK [saɪ] /saɪ/发音名词1磅每平方英寸、磅力/平方英寸缩写,压力单位The front tires should be inflated to about thirty-two psi.前轮胎压应该打到大约三十二磅每平方英寸。2希腊字母Ψ、普西The symbol for the wave function is the Greek letter psi.波函数的符号是希腊字母Ψ。3超感官能力、灵异现象专业用语Researchers have long argued over whether psi can be measured at all.研究者长久以来争论超感官能力究竟能否被测量。用这个字练口说→