词汇	usage of materials
释义	usage of materials 材料利用率
随便看	learning obstruction learning of China learning of Confucian classics Learning of Confucius learning of constructivism learning of decision-making level learning of decision trees learning of English vocabulary learning of evaluation Learning of great classics-expositors learning of history Learning of Hsun-Tzu learning of human learning of knowledge ontology learning of learn learning of Marxism-Leninism learning of neuron learning of object model learning of object structure learning of physics learning of problem solving learning of righteousness and principle learning of second language learning of structure Learning of the uprising