搜尋結果
pteridosperm
- IPA[təˈridəˌspərm]
美式
- an extinct plant that is intermediate between the ferns and seed-bearing plants, dying out in the Triassic period.
noun: pteridosperm, plural noun: pteridosperms
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- IPA[tɪˈrɪdəspəːm]
英式
- a fossil plant which is intermediate between the ferns and seed-bearing plants, dying out in ...
Oxford Dictionary