gut·ta-per·cha
noun/ˌɡʌtə ˈpɜːtʃə/
/ˌɡʌtə ˈpɜːrtʃə/
[uncountable]- a natural substance that can be shaped when it is heated and is hard when cool, produced by certain Malaysian trees
古塔胶（gutta-percha）：一种天然物质，加热后会成形，冷时则坚硬，由某些马来西亚树木产生。 Word Originmid 19th cent.: from Malay getah perca, from getah ‘gum’ + perca ‘strips of cloth’ (which it resembles), altered by association with obsolete gutta ‘gum’, from Latin gutta ‘a drop’.