We were to have built a laboratory behind the lecture building.
我们原来要在教学大楼后边盖一座实验室。
The workmen are laying the foundation of the new lecture building.
工人们正在为新教学楼打地基。
The lecture begins at : p. m. in Room of the Library Building.
报告地点图书馆室，下午：开始。
The lecture begins at : p. m. in Room of the Library Building.
报告地点图书馆室，下午：开始。
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