| 单词 | Cyatheaceae | 
| 释义 | Cyatheaceaeplural noun  Cy·ath·e·a·ce·ae   (ˌ)sīˌathēˈasēˌē   : a family of tropical tree ferns having the sporangia crowded, stalked, and either naked or more often with a cup-shaped indusium   compare silver tree fern    cyatheaceous  (ˈ)sī¦athē¦āshəs | 
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