peninsula
US /pəˈnɪn.sə.lə/
UK /pəˈnɪn.sə.lə/

1.
半岛
a piece of land almost surrounded by water but joined to the mainland on one side
:
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The Iberian Peninsula includes Spain and Portugal.
伊比利亚半岛包括西班牙和葡萄牙。
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Florida is a large peninsula in the southeastern United States.
佛罗里达是美国东南部的一个大半岛。