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单词
pteridosperm
释义
pte·rido·sperm
\təˈridəˌspərm, ˈterəd-\
noun
Etymology:
International Scientific Vocabulary
pterid- + sperm
:
a fossil plant of the order Cycadofilicales
:
seed fern
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更新时间：2026/4/22 18:05:25