| 单词 | vanguard |
| 释义 | vanguard /van"gahrd'/, n. 1. the foremost division or the front part of an army; advance guard; van. 2. the forefront in any movement, field, activity, or the like. 3. the leaders of any intellectual or political movement. 4. (cap.) Rocketry. a U.S. three-stage, satellite-launching rocket, the first two stages powered by liquid-propellant engines and the third by a solid-propellant engine. [1480-90; earlier van(d)gard(e) < MF avangarde, var. of AVANT-GARDE; see AVAUNT, GUARD] |
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