This shop only sells paperbacks.这家书店只出售平装本的书.Other paperbacks were selling for ten or 15 cents each.其它的平装书每本才卖十或十五美分.I have a lot of old paperbacks to sell.我有许多旧平装本书要卖....
她在药物学系做研究助理.She took up a post as research assistant in the Department of Pharmacology.它涵盖对神经心理学与行为药物学的动物行为知识的一些应用.It covers some applications of animal - behavior knowledge to neuropsychology and behavioral pharmacology...