the hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed
同义词：stone, pit
endocarp详细解释
en.do.carp n.（名词）The hard inner layer of the pericarp of many fruits, such as the pit or stone of a cherry, a peach, or an olive.内果皮：许多水果果皮的坚硬的内层，例如樱桃、桃子或橄榄的核 【引伸】 en.docar.pal adj.（形容词）
