Teenagers are in the crucial period of forming their cognition,sensiblity and values in the secondary school,in which period the students’initiative strengthens,scope of knowledge broadens and their dependence on teachers gradually weakens.
中学阶段正值青少年认知、情感、价值观发展的关键期,这一时期,学生自主性增强、知识面拓宽,对教师的依赖感逐渐减弱。
参考来源 - 教师权威的重新审视和探析（研究生论文）·2,447,543篇论文数据，部分数据来源于NoteExpress
We have to widen our scope of knowledge to catch up with the changing world.
我们得拓宽我们的知识范围，以赶上千变万化的世界。
The first one is that it can both widen our horizons and expand our scope of knowledge.
例：第一，旅游既能拓宽我们的视野，又能拓宽我们的知识面。
Epistemology is concerned with the nature and scope of knowledge, and whether knowledge is possible.
认识论关注的性质和范围的知识，以及是否知识是可能的。
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