相關(guān)單詞近義詞 ladder 階梯, power structure 權(quán)力結(jié)構(gòu), hierarchy 等級制度臨近詞peck, pecky相似詞PechaKucha, peck, peck at sth, pecker, peckish, pecten, pectin, pectineal, 返回 pecking order