1. Streams, erecting small bridges, both to achieve is to walk convenience. 溪流上架设小桥，既是为了美观也是为了行走方便。
2. Meanwhile, to get to his classrooms, he drives past cranes erecting "million-dollar dorms and athletic facilities, " he notes. 同时，为了去他的教室，他开车过去的起重机，“百万美元的宿舍和运动设备，”他说明道。
3. Police arrived quickly and tried to control the swelling crowd by erecting barriers in the street, but 'people pushed them over, ' the witness said. 警察很快就来了并试图在路上设置路障来控制越来越大的人群，但“人群将他们推开，”这位目击者说。
