[ baundɪŋ ] 现在分词 BNC词频 39619 COCA词频 38052 v. 跳( bound的现在分词 ); 弹回; 向上弹; 向上跳 v move forward by leaps and bounds v form the boundary of; be contiguous to v place limits on (extent or access) v spring back; spring away from an impact 原型: bound 现在分词: bounding 英汉双解字典由 ECDICT 提供