textbook的精选

语法:n.教科书，课本复数textbooksPleaseturntothepage51ofyourtextbooks.请翻到课本第51页。Igavethetextbookbacktohim.我把课本还给他了。Shewroteatextbookoninternationallaw.她写了一本国际法的教科书。Thenewtex...