相关单词近義詞 leader 領袖, mountain man 山地人, backwoodsman 住在邊遠地區的人...臨近詞frontier, frontier officials, frontier technology, frontier convention, frontier efficiency, frontier governance, frontier and island, frontier guard post, frontier inspection, frontier of science, frontier trade city相似詞frontal system, frontalis, frontbencher, frontier, fronting, frontispiece, frontman, frosh, 返回 frontiersman