bun.ion
n.（名词）
A painful, inflamed swelling of the bursa at the first joint of the big toe, characterized by enlargement of the joint and lateral displacement of the toe.
拇趾囊肿胀：大拇趾第一关节处疼痛的，发炎的囊肿，特征是关节肿大，然后拇趾移位
来源：
Probably alteration of obsolete bunny [swelling]
可能为 废语 bunny的变化 [肿胀]
from Middle English bony
源自 中古英语 bony
perhaps from Old French bugne * see bun
可能源自 古法语 bugne *参见 bun
