短語詞組短語Parent t Node 母節(jié)點(diǎn)parent of node 翻譯backup parent node 備用父結(jié)點(diǎn)struct node parent 指向雙親的指針private Node parent 父節(jié)點(diǎn)protected Node parent 父節(jié)點(diǎn) 返回 parent node