base jumping
noun [ U ] uk/ˈbeɪs ˌdʒʌm.pɪŋ/ us/ˈbeɪs ˌdʒʌm.pɪŋ/ (also BASE jumping)
定点跳伞运动(从高建筑物或桥等高处跳下,借助降落伞着地的运动)
the sport of jumping from a high building, bridge, etc. with a parachute
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