vanguard

n. 前鋒、先鋒、先驅

學術名詞

• [先鋒]衛星：海事

英文釋義

1. the leading units moving at the head of an army
2. any creative group active in the innovation and application of new concepts and techniques in a given field (especially in the arts)
3. the position of greatest importance or advancement; the leading position in any movement or field