The notion that learning should have in it an element of inspired play would seem to the greater part of the academic establishment merely silly, but that is nonetheless the case.
学习应该包含有激发性游戏的元素，这一概念在学术界的大部分人看来只是愚蠢，但事实就是如此。
2
We used a topichead element to group the topics for each learning module.
我们使用topichead元素组织每个学习单元的主题。
3
You must fuse at white heat the several particles of your learning into an element so ductile and so strong that nothing can destroy it without destroying you.