The teacher is preparing the lesson.

老师在备课.

《现代汉英综合大词典》

He had to focus on correcting his students' assignments while preparing for his classes, which required immense effort.

他不得不专注于批改学生的作业，同时还要备课，这需要巨大的精力。

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Downloadable lecture notes and sample exams are available for this course.

本课程备课程讲稿及测验例题供下载.

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Bob never prepares for his lectures. He always shoots from the hip.

鲍勃从不备课, 他总是(心所欲地)到哪儿就讲到哪儿.

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The teacher is making preparations for the chemistry class.

老师正在为化学课备课.

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The teacher stayed late to prepare lessons for the next day.

老师为备课,加班到很晚.

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It is the key to prepare lesson meticulously for improving teaching quality.

精心备课是提高教学质量的关键.

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My professor never prepares for his lectures, he just wings it.

我的教授从不备课, 他只是即兴讲课.

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When class was over the teacher prepared another lesson.

上完课后,老师又在备课了.

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Chen teacher should prepare a lesson.

陈老师应该备课.

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A good teacher always prepares his lessons well.

好的教师每次备课都很充分.

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Every moment of his time was dedicated either to preparing or to giving lectures.

他的每一分钟都全部用于备课或讲课.

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Most summers are filled with courses, in - service training , writing the curriculum, and more.

大多数的夏季充满了上课 、 在职 培训 、 备课及其他更多的事情.

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Equipped with multimedia classrooms, language lab, computer classrooms, electronic preparation rooms and other modern educational facilities.

配有多媒体教室 、 语音室 、 计算机教室 、 电子备课室等现代化教育设施.

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" Effective teaching " means " preparing the lesson well and transmit the knowledge to the students "

“ 有效教学 ” 等于 “ 充分备课,把学识传给学生 ”

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