Tens of thousands of students and teachers have marched in the Chilean capital, Santiago, in the latest mass protest to demand educational reform.
成千上万名老师和学生在智利首都圣地亚哥举行大规模游行，要求进行教育改革。
The march was largely peaceful, but ended with clashes between riot police and masked youths throwing stones.
游行总体上是和平的，但是尾声有防暴警察与带着面罩、扔石头的青年人发生冲突。
The protest movement - now in its fourth month - is the biggest in Chile since the return to democracy in 1990.
抗议活动——已经进行了四个月——是智利自从1990年恢复民主国家以来最大规模的一次。
The government has promised some reforms, but the students say they do not go far enough.
政府已经承诺进行一些改革，但是学生表示他们做的远远不够。
Protest organisers said around 180,000 people took part in Thursday's march, making it the biggest in several weeks.
抗议的组织者称，大约有18万人参加周四的游行，这使本次游行成为这几周以来最大型的一次。
Some wore fancy dress or played musical instruments as they marched through Santiago.
在游行经过圣地亚哥时，一些人穿着花哨衣服，或弹奏着乐器。
As the march drew to a close, small groups wearing hoods threw stones at riot police, who responded with tear gas and water canon.
随着游行接近尾声，一小部分带着头巾的人朝警察扔石头，后者以催泪弹和水枪回应。