关于ARCO的学习知识

美国ARCO权威托福参考词汇：P字头Ppanacean.万能药aremedyforallillsordifficulties:CURE-ALLparticlen.粒子,极小量,微粒aminutequantityorfragmentpassingn.经过,消逝(死)theactofonethatpassesorcausestopass;especi...