前左立一人，手执长竿，竿尖上用鸡羽为葆。
At front left, one man held up a long pole fledged at the tip with chicken feathers to catch any sign of the wind.
另一个是在丹麦发掘到的始新世（5500万年前）的一根羽骨。
The other was a feathered skull from the Eocene (55m years ago) that had been unearthed in Denmark.
国际羽联世界排名榜是从国际羽联前52周的正式比赛中产生的。
IBF world rankings' are derived from IBF-sanctioned events held during the previous 52-week period.
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