課本 angolul

textbook [textbooks]▼(formal manual of instruction)
noun
[UK: ˈteks.bʊk] [US: ˈtekst.ˌbʊk]

primer [primers]▼(children's book introducing basic literacy)
noun
[UK: ˈpraɪ.mə(r)] [US: ˈpraɪ.mər]