| 单词 | Betula alleghaniensis |
| 释义 | Betula alleghaniensis (extremely rare) n WORD FAMILY Betula alleghaniensis n tree of eastern North America with thin lustrous yellow or grey bark Syn|Hyper Betula leutea, yellow birch birch, birch tree any betulaceous tree or shrub of the genus Betula having a thin peeling bark |
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