| 单词 | Cycadaceae | 
| 释义 | Cycadaceaeplural noun  Cy·ca·da·ce·ae   ˌsīkəˈdāsēˌē, ˌsik-   : a family of very ancient tropical gymnospermous plants (order Cycadales) resembling palms but showing a close relationship to ferns and lower groups in that fertilization takes place by means of spermatozoids    cycadaceous  ¦⸗⸗¦dāshəs | 
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