Supporting the classification shows, each all teachings lesson piece of a bottom can show ;
在线咨询，可以按照输入文本框的名称查找教学课件；
During this lesson, the teacher took out a frayed book with all the lesson pieces arranged according to difficulty, for choosing a new piece to study.
在女儿的这堂钢琴课上，老师拿出一本吓人的包括所有的按难度排列的钢琴课曲目琴书来选一首上课用的新曲。
Get him involved: This finance lesson to teach your son involves sitting down with him and drawing two columns on a blank piece of paper.
让他参与进来：这堂课要让你的孩子与你一起坐下来，在空白纸上画出两列。
The chief lesson this teaches us is that making new equipment affordable has become a major problem in the research and development (R&D) process of any major new piece of military hardware.
这给我们的主要教训就是：能承受新装备的开销已成为研究开发军事新硬件设施过程中的主要问题。
You have never seen to sit to ascend the lesson of piece now at the most anterior Huang Da Yi and necessarily take an ear plug.
你没看见坐在最前面的黄达义现在上张的课，必带耳塞。
That lesson: just because you have a 200 piece toolset doesn't mean that you have to use every tool in it to get the job done.
这个教训：只因为你有一个200件工具集并不意味着你必须使用它在每一个工具来完成这项工作。
Every time we begin our English lesson, we will listen to a piece of music.
每次我们上英语课前都要听一段音乐。
Unit of Learning: An abstract term used to refer to any delimited piece of education or training, such as a course, a module, a lesson, etc.
学习单元：一个抽象的术语，是指任何被划定范围的教育或者培训 单元，如一个课程，一个模块，一节课等。
Unit of Learning: An abstract term used to refer to any delimited piece of education or training, such as a course, a module, a lesson, etc.
学习单元：一个抽象的术语，是指任何被划定范围的教育或者培训 单元，如一个课程，一个模块，一节课等。
应用推荐