意为教材可数。可数名词复数可以加the，表强调。textbook，主要用作为形容词、名词，作名词意为“教材，教科书，课本”，作形容词意为“规范的，标准的”。
Whose textbook is this?
这是谁的教科书?
We all have textbook.
我们都有课本。
We all read textbook together.
我们都一起念课本
She wrote a textbook on international law.
她写了本国际法教材。
The house is a textbook example of medieval domestic architecture
这所房子是典型的中世纪民居。
France Telecom is a textbook model of what can be achieved by a state-owned company.
法国电信是国有公司成功的典范。
I gave the textbook back to him
我将课本还给他了。
Long passages in this textbook have been lifted from other authors.
此教科书中有几大段是剽窃其他作者的。
