A mountainous peninsula of Antarctica between the Bellingshausen Sea and the Weddell Sea, extending northwards towards Cape Horn and the Falkland Islands.
南极半岛（位于南极洲别林斯高晋海和威德尔海之间的多山半岛，北至合恩角和福克兰群岛）
Definition of Antarctic Peninsula in US English:
Antarctic Peninsula
proper noun
A mountainous peninsula of Antarctica between the Bellingshausen and Weddell seas that extends northward toward Cape Horn and the Falkland Islands.