| 例句 |
textbooksnounpl. of textbook a book used for instruction in a subjectone shelf in my bookcase is crammed full of my old college textbooks handbooks, manuals, primers, texts schoolbooksgrammars, readers, spellerstracts, treatisesdictionaries, lexica(or lexicons), vocabularies, wordbookscasebooks, encyclopedias, referencesbibles, guidebooks, guides |