牙刷柄刻有牛骨，牙刷毛由野猪毛或马毛制成。
The handles were carved out of cattle bones and the bristles were made from wild boar or horse hair.
牙刷柄和刷毛最好呈垂直或几近垂直状较好。
Toothbrush handle with brush the hair had better report the perpendicular or several near perpendicular form better.
他们可以把牙刷头掰掉，几秒钟内把牙刷柄磨尖。
They can break the brush head off and sharpen the shaft in seconds.
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