vanguard
noun /ˈvænɡɑːd/
/ˈvænɡɑːrd/
usually the vanguard
[singular]- the leaders of a movement in society, for example in politics, art, industry, etc.
（政治、艺术、工业等社会活动的）领导者，先锋，先驱者 - The party claimed to be the vanguard of the world revolutionary movement.
该党自称是世界革命运动的先锋。 - in the vanguard of something The company is proud to be in the vanguard of scientific progress.
这家公司以处于科学发展的领先地位而自豪。
- The party claimed to be the vanguard of the world revolutionary movement.
- the part of an army, etc. that is at the front when moving forward to attack the enemy
先头部队；前卫；尖兵 - The army was advancing steadily and the vanguard was already at the border.
军队稳步前进，先头部队已经到达边境。
- The army was advancing steadily and the vanguard was already at the border.
词源late Middle English (denoting the foremost part of an army): shortening of Old French avan(t)garde, from avant ‘before’ + garde ‘guard’.