Problem solve and study in a small team with fellow students.
和同学组成小组，合作解决和研究问题。
As for Chinese senior school students, vocabulary is a big problem in their study.
对于中国的高中生来说，词汇是他们学习中的一个大问题。
As for Chinese senior school students, vocabulary is a big problem in their study.
对于中国的高中生来说，词汇是他们学习中的一个大问题。
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