any of several East Indian trees of the genus Calophyllum having shiny leathery leaves and lightweight hard wood
poon详细解释
poon n.（名词）Any of several trees of the genusCalophyllum, of southern Asia, having light, hard wood used for masts and spars. 胡桐：胡桐属 各种树木，产于亚洲南部，其木材质轻而坚硬，用于船桅和船柱 来源：Singhalese pôna 辛伽罗语 pôna [perhaps of Dravidian origin] [可能源出达罗毗荼语]
