This panda looks like he's chewing down a poolcue.
这只大熊猫看起来在啃倒一根台球杆。
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If you were writing a pool game you could use a PickRaySegment to represent the poolcue and you could pick with BoundingSphere to detecting collisions between the balls.
Though billiards had already been popular for more than 100 years at that time, Mingaud was the first person to round the end of a poolcue with a file and apply a leather tip to it.