n.教科书;教材;课本

The schoolbook lay open on the desk, its pages filled with equations and diagrams.
学校课本摊开在桌子上，书页上写满了方程式和图表。
Sarah carefully underlined each new vocabulary word in her schoolbook to memorize later.
莎拉在她的课本上仔细地划下了每一个新词汇，以便之后记忆。
The history schoolbook recounted tales of brave explorers and their discoveries.
历史课本讲述了勇敢探险家及其发现的故事。
Mrs. Johnson assigned Chapter 7 from the science schoolbook as homework for tonight.
约翰逊夫人把科学课本的第七章作为今晚的家庭作业布置给了学生们。
Little Tommy loved flipping through the colorful illustrations in his schoolbook during class breaks.
小汤米喜欢在课间休息时翻阅课本中那些色彩丰富的插图。
The schoolbook on grammar provided clear explanations and plenty of exercises to practice.
语法课本提供了清晰的解释和大量的练习题供学生练习。
After misplacing her schoolbook, Emma spent an anxious hour searching for it before finding it under her bed.
艾玛不慎遗失了她的课本，在床下找到之前焦虑地寻找了一个小时。
The math schoolbook included real-life examples to help students understand abstract concepts.
数学课本里包含了许多现实生活中的例子，帮助学生理解抽象概念。
Jake highlighted important dates and events in his schoolbook to prepare for the upcoming exam.
杰克在他的课本上标出了重要的日期和事件，为即将到来的考试做准备。
Lily enjoyed reading the short stories in her literature schoolbook, which sparked her imagination.
莉莉喜欢阅读文学课本中的短篇小说，这些故事激发了她的想象力。