在课堂上

In the class, the professor taught the students how to use an adverb in thesentence.

在课堂上，教授教学生们如何在一个句子里用副词。

Sometimes,sitting in the classroom ,I don't know what I'm doing .

有时，在课堂上坐，我不知道我在做什么。

Three of the students, in some cases, pay close attention to a minute to learn, and some in the classroom to listen to "Double Dutch", as well as the whole day doing nothing, to be full of "eating the old tribe."

高三的同学们，有的在抓紧一分一秒的学习，有的在课堂上听"天书"，还有的整天无所事事，做个十足的"啃老族"。

In the classroom and on the football field,Henry was nobody's fool.

在课堂上，亨利是最好的学生，在球场上，他是最佳球员。

This is achieved, primarily, through a process of creative use of English, when students are encouraged to form ideas centered round a given topic, organise their ideas, and, finally, under the guidance of a teacher, verbalise those ideas.

该书既适合课堂使用也适于自学使用。在课堂上，通过创造性地运用语言，老师要求学生就某一个话题形成种种想法，然后将它们加以整理，最后在老师的指导下口头表达出来。

Possibly the most sinister battlefield in the war on Christianity takes place in the classroom.

可能是最险恶的战场，在战争中对基督教发生在课堂上。

In the classroom, I am a teacher a good student, class, I am everyone's pistachios.

在课堂上，我是老师的好学生，课下，我是大家的开心果。

Obviously, Guo, as a young man then, was embarrassed and crag-fast in classes. With his pursuit for forms in his childhood, Guo conflicted with the requirements for colors as instructed by Mr. Chen Junde.

显然，在课堂上，年轻的郭润文一下子处在了一个进退两难的境地，他自小就熟悉或养成的对形的追求，与在陈钧德老师的引领下对色彩的要求产生了冲突。

Asher draws a menacing looking picture of the Rebbe in his Chumash one day in class.

阿舍尔得出威胁寻找图片的Rebbe在他Chumash一天在课堂上。

Eg:He often looks out at the tree while in class.

在上课期间/在课堂上

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。