... 椭圆胶木 pali；panchonta；pala；kei pala 胶木 gutta-percha tree 六雄蕊胶木 nyatoh ...
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gutta a percha tree 杜仲树
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In 1848, feather balls were replaced by gutta-percha balls made from the gum of a Malaysian tree.
WSJ: Collecting: Mementos of a Gentleman's Game | The Jaime Ortiz-Pati?o Collection
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