| 单词 | class Dicotyledones |
| 释义 | class Dicotyledones (extremely rare) n WORD FAMILY class Dicotyledones n comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae Syn|Hyper Dicotyledonae, Dicotyledones, Magnoliopsida, class Dicotyledonae, class Magnoliopsida class (biology) a taxonomic group containing one or more orders |
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