英语语法分析

And in Johannesburg, people gathered at the Witwatersrand Planetarium to enjoy the clear view.

而在约翰内斯堡，人们聚集在金山天文馆享受清楚的月食景观。

This week, bones from Australopithecus Sediba are unveiled at the University of the Witwatersrand in Johannesburg.

本周，南方古猿人的骨骼在约翰尼斯堡金山大学公布于众。

Professor Ian Sanne is a chief researcher in the trials from the Department of Internal Medicine at the University of Witwatersrand in South Africa.

南非金山大学（Witwatersrand University）内科部的Ian Sanne教授是这些实验的一名主要研究人员。