柯林斯词典pith /pɪθ/ 1. N-UNCOUNT The pith of an orange, lemon, or similar fruit is the white substance between the skin and the inside of the fruit. (橙、柠檬或相似水果的果皮和果肉之间白色的)髓[usu 'the' N] 返回 pith剑桥词典the white substance between the skin and the flesh of citrus fruits such as oranges , or the soft , white inside part of the stem of some plants （水果表皮和瓤之间的）衬皮；木髓 返回 pith