名词

1. （革命或研究的）前沿；先锋，先驱
If someone is in the vanguard of something such as a revolution or an area of research, they are involved in the most advanced part of it. You can also refer to the people themselves as the vanguard.

2. 先头部队;尖兵
The vanguard of an army is the part of it that goes into battle first.

1. the position of greatest importance or advancement
the leading position in any movement or field

e.g. the Cotswolds were once at the forefront of woollen manufacturing in England
the idea of motion was always to the forefront of his mind and central to his philosophy

Synonym: forefrontcutting edge

2. the leading units moving at the head of an army

Synonym: van

3. any creative group active in the innovation and application of new concepts and techniques in a given field (especially in the arts)

Synonym: avant-gardevannew wave