这个词是什么意思？
The cactus plant family of the order Caryophyllales, subclass Caryophyllidae, class Magnoliopsida. Cacti are succulent perennial plants well adapted to dry regions.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D029421 · MeSH 2026。
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