adj.胸部的，戴在胸部的；n.胸鳍，胸肌； 变形： 复数：pectorals 英英释义： pectoral[ 'pektərəl ]n.either of two large muscles of the chest同义词：pectoral musclepectoralismusculus pectoralispecsan adornment worn on the chest or breast同义词：pectoral medallionadj.of or relating to the chest