conkers

字典網

英文解釋：

名詞 conker:

1. the inedible nutlike seed of the horse chestnut
   同義詞：buckeye, horse chestnut, conker

中英例句：

1. Have you seen Tom Smith's conker? He's got ever such big one!
   你看到過湯姆·史密斯的七葉樹嗎？他有一棵非常大的七葉樹。