| 例句 |
We're writing an English course, intermediate level, for students studying science.我们正在编写一本供理科学生使用的中级英语教程。Some sites offer step-by-step tutorials.有些网站提供渐进的教程。As well as textbooks and other printed matter, courses may include video and audio cassettes.除了教科书和其他印刷品，教程还包括视听盒带。I spent an hour or two going through the tutorial.我花了一两个小时读完了这本教程。 |