But the worst part is that print version of textbooks are constantly undergoing revisions
出自-2013年6月閱讀原文
Imagine the promise: Carrying all your textbooks in a 1.3 pound iPad?
出自-2013年6月閱讀原文
柯林斯高階英漢雙解學習詞典釋義
N-COUNT
課本;教材;教科書
A textbook is a book containing facts about a particular subject that is used by people studying that subject.
例句
She wrote a textbook on international law.她寫了本國際法教材。...a chemistry textbook.化學課本
ADJ
(案件、例子)典型的，典范的
If you say that something is a textbook case or example, you are emphasizing that it provides a clear example of a type of situation or event.
例句
The house is a textbook example of medieval domestic architecture...這所房子是典型的中世紀民居。France Telecom is a textbook model of what can be achieved by a state-owned company.法國電信是國有公司成功的典范。