She wrote a textbook on international law.

她写了一本国际法的教科书。

《柯林斯英汉双解大词典》

It is a textbook.

这是一本教科书。

youdao

There are times when a friend will lend you a textbook, or a shoulder to cry on.

有时候，朋友会借给你一本教科书，或者给你一个可以依靠的肩膀。

youdao

But she tells us in an e-mail: "A live conference feed was 100% better than a textbook.

VOA: special.2009.11.12

I had these lecture notes; I had all of these listening exercises; I basically just put it in a textbook.

我保存着这些笔记,还有所有的听力练习,然后汇总成一本教材

耶鲁公开课 - 聆听音乐课程节选

One solution for that is to get a copy of a textbook I wrote called Basic Training in Mathematics.

解决办法之一,就是买一本我编写的教材,书名叫《数学基础训练》

耶鲁公开课 - 基础物理课程节选

Sunday's game was a textbook example of why Anthony is so vital to the Knicks.

WSJ: The Knicks Are Feeling Stuffed

That makes the Arctic a textbook illustration of the commons-despoiling tragedy that climate change is.

ECONOMIST: Climate change

What is true is that Europe is in the middle of a textbook liquidity crisis.

FORBES: Eurozone: Yes, It Is 1930