bobble hat
US /ˈbɑː.bəl ˌhæt/
UK /ˈbɑː.bəl ˌhæt/

1.
絨球帽, 毛線帽
a knitted hat with a bobble on top
:
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He wore a warm bobble hat to keep his head cozy in the snow.
他戴著一頂暖和的絨球帽,在雪中保持頭部溫暖。
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The child looked adorable in her new pink bobble hat.
孩子戴著她那頂新的粉色絨球帽,看起來很可愛。