n. the leading units moving at the head of an army
n. the position of greatest importance or advancement; the leading position in any movement or field
n. 前锋, 先锋, 先驱
1. The vanguard of the protest marched through the city to raise awareness.
抗议活动的先锋在城市中游行以提高人们的意识。
2. Many new technologies are developed by the vanguard of the tech industry.
许多新技术是由科技行业的先锋开发的。
3. Artists often find themselves in the vanguard of social change through their work.
艺术家通过他们的作品常常处于社会变革的先锋。