释义 |
bur oaknounA North American oak with large fringed acorn cups and timber that was formerly important in shipbuilding.- Quercus macrocarpa, family Fagaceae.
I want to collect the large acorns from a bur oak near my home....- Because they are rich in carbohydrates and fats, the bur oak's acorns are the number one ‘fruit’ consumed by wildlife.
- But in this early stage of the 21st century, the bur oak still serves important ecological needs.
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