以下为句子列表：
英文: 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.
中文: 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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英文: For example, the basic angiosperm stem is vertical and elongated, but some cacti have swollen water-storing stems, while other xerophytic plants that have lost their leaves during the course of evolution have evolved flattened leaflike stems for photosynt
中文: 例如被子植物的茎是垂直的，伸长的，但一些仙人掌具有膨大的能够储水的茎，另一些旱生植物在进化的过程中失去了叶子，但又发展为利用扁平叶状的茎来进行光合作用（假叶树）。
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