acorn
US /ˈeɪ.kɔːrn/
UK /ˈeɪ.kɔːrn/

1.
quả sồi
the fruit of the oak tree, a smooth oval nut in a woody cup-shaped base
:
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Squirrels bury acorns for winter.
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•
The ground was covered with fallen acorns.
Mặt đất phủ đầy quả sồi rụng.