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un·der·pin AHD[ŭn'dər-pĭnʹ] D.J.[ˌʌndəˈpɪn]K.K.[ˌʌndɚˈpɪn]v.tr.（及物动词）un.der.pinned, un.der.pin.ning, un.der.pins - To support from below, as with props, girders, or masonry.加强…的基础：从下面支撑，如用支柱、梁或砖石建筑
- To give support or substance to:支持，巩固：给予支持："the public awareness that must underpin a sustained and concerted development effort for Africa and its youth"(Barber B. Conable)“必须支持为非洲及非洲青年提供持续一致的发展努力的大众意识”(芭芭拉B.科纳伯)
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