A group of foreign students at Shanghai Weiyu High School run from a mock fire on their school campusyesterday in a drill that involved nearly 1,000 students and teachers from around the city. The drill was intended to improve the students' life-saving skills, such as evacuation and first-aid, in case of emergencies.

• campus [´kæmpəs] n.大学校园；学校场地 (初中英语单词)
• yesterday [´jestədi] n.&ad.昨天；前不久 (初中英语单词)