These levels come from outside activities that penetrate the classroom structure, from teaching activities, and other noise generated inside, which can be exacerbated by room reverberation.
这些（噪音）可以是穿透教室建筑结构的室外活动声、教学活动的声音以及室内产生的其它各种声响，这些声音都会因为房间的回声效果而被放大。
They need cutting and pruning with the tool of learning, We learn not only inside the classroom but also outside the classroom.
我们不仅在课堂上学，而且还要在课外学。
College is a time of exploration, both inside and outside of the classroom.
大学是一段探索的阶段，不论是课堂内还是课堂外。
According to the requirement of teaching, it can arrange activities of practical training teaching both inside and outside classroom.
按照教学的需要，可以安排课堂内的实训教学活动和课堂外的实训教学活动。
The activities outside classroom is the main body of practical training activities. It can be also divided into activities of practical training teaching inside and outside campus.
课堂外的实训教学活动是实训活动的主体，可以分为校内实训教学活动和校外实训教学活动。
Students will be enriched inside and outside of the classroom with experiential learning and visitations to various hotels.
学员将通过实践经验的学习以及对不同酒店的拜访在课堂内外都获得长足的进步。
Students must keep the school rules and regulations consciously and must not scrawl on anything inside and outside the classroom.
请同学自觉遵守学校规章制度，不要在教室内或教室外任何地方涂鸦。
Learning can happen both inside and outside the classroom, and it never stops.
无论是在课上还是在课下，学习从未停止。
Learning can happen both inside and outside the classroom, and it never stops.
无论是在课上还是在课下，学习从未停止。
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