柯林斯詞典trackless /?tr?kl?s/ 1. ADJ having or leaving no trace or trail 無足跡的 a trackless jungle 返回 trackless劍橋詞典having no paths or roads 無路的,無軌的 a trackless waste /wilderness /desert 荒蕪之地/荒野/荒漠 返回 trackless