Last term I took part in a geography research study group.
上学期，我参加了地舆小组的研究性学习。
Last term I took part in a geography research study group. Our topic was environmental pollution and protection.
上学期，我参加了地理小组的研究性学习。我们研究的课题是：环境污染与环境保护。
The research of Urban System is still important study fields in Human geography.
城市体系研究是人文地理研究的重要领域。
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