A large African bird of prey (Sagittarius serpentarius) with long legs and a crest of quills at the back of the head.

一种大型的非洲食肉鸟（蛇鹫） ，腿长，脑后长有长羽集起的羽冠。

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The Native Americans embroidered skins and bark with dyed porcupine quills; later the beads they acquired in trade took the place of quills.

美洲原住民则在兽皮或树皮上用染色的豪猪毛锈制羽毛制品，后来用交易来的珠子取代羽毛。

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Scientists have even found bumps on the arm bones of dinosaurs, where the quills had attached.

科学家门甚至找到了恐龙上肢骨上的突起，这种突起往往可以附着羽茎。

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He has also worked on films including Quills, Thunderbirds, Little Voice, The Importance of Being Earnest, An Ideal Husband and The Avengers.

BBC: Peter Swords King nominated for Oscar and Bafta award

We also grouped together similar tools to reduce the size of the list--the pencil is a stand in for pens, quills, and brushes.

FORBES: The 20 Most Important Tools Ever