n. 

极管
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battle royal,
battle ship,
battleax,
battle-ax,
battleaxe,
battle-axe,
battlebus,
battled,
battledore,
battledore and shuttlecock,
相似单词
duodenorrhaphy,
duodenoscopy,
duodenostomy,
duodenotomy,
duodenum,
duodiode,
duodiode-pentode,
duodiode-triode,
duodynatron,
duograph,