(1)前衛(wèi),先頭部隊(foremost or front division of a military or naval force)[U, the~][接 sing動詞]:The~of an army is the group of soldiers in the front. 軍隊的前鋒就是前線的先頭部隊。Tanks were in the~of the army's advance. 坦克行駛在部隊的前面。positioned in the~被安排為先頭部隊;〖同〗vanguard,head,scout;
(2)先鋒,前驅(qū)(forefront of any movement, course of progress)[U, the~]:in the~of scientific progress 處于科學(xué)進(jìn)步領(lǐng)先地位;(sb) be in the~of women's liberation(某人)是婦女解放運動的先驅(qū);〖同〗vanguard,head,scout;
【說明】van1是caravan的縮略形式,除表示卡車外,還可表示拖(掛)車,在英語中還可表示吉普賽大篷車和小型運貨汽車;van2是vanguard的縮略形式。