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单词 seed fern
释义
seed fern
(extremely rare)
n

WORD FAMILY
seed fern
n an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae)
Syn|Hyper
pteridosperm
gymnosperm
plants of the class Gymnospermae having seeds not enclosed in an ovary
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更新时间:2024/12/23 3:15:23