求翻译：课外学习是课内学习的补充和扩展，二者是相互联系、相互渗透的整体。在搞好课内学习的基础上，适当进行课外学习，可以开阔自己的知识领域，发展个人的兴趣、爱好和特长，同时对课内学习也会起到有效的促进作用。是什么意思？

Curricular and extra-curricular learning is learning to complement and extend, the two are interrelated, mutual penetration of the whole. Curricular learning in doing a good job on the basis of appropriate extra-curricular learning, can broaden their knowledge, develop personal interests, hobbies an

Extra-curricular learning is the complement and extend the learning lesson, 2 are interconnected, and mutual infiltration of overall. Doing a good job of learning within the classroom, based on appropriate for extra-curricular learning, can open their own areas of expertise, the development of the p

The extracurricular study is the supplement and the expansion which in the class studies, the two are the wholes which relates mutually, seeps mutually.In does well in the foundation which in the class studies, carries on the extracurricular study suitably, may widen own area of knowledge, develops

Extracurricular learning complements classroom learning and expansion, the two are interrelated, mutual infiltration as a whole. On the basis of improving classroom learning, appropriate extracurricular learning, can broaden their field of knowledge, and expertise to develop personal interests, hobb

Curricular and extra-curricular learning is learning to complement and extend, the two are interrelated, mutual penetration of the whole. Curricular learning in doing a good job on the basis of appropriate extra-curricular learning, can broaden their knowledge, develop personal interests, hobbies an