round or pear-shaped spiny fruit of any of various prickly pear cacti
cacti having spiny flat joints and oval fruit that is edible in some species; often used as food for stock 同义词：prickly pear cactus,
例句与用法
1.
Cactaceae ( cacti ) a large family of succulent xerophytic dicotyledonous plants , found mainly in warm dry parts of the americas ; some species , notably the prickly pears ( opuntia ) , have been introduced to the mediterranean and australia 仙人掌科：一类肉质的旱生双子叶植物，主要分布于美洲的炎热干燥的区域，仙人掌果（仙人掌属）被引入地中海以及澳大利亚。
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