常見(jiàn)例句用作名詞 (n.)Geographical lines do exist where true north and magnetic north are aligned, and these are called agonic lines.當(dāng)真北和磁北相吻合的時(shí)候，確實(shí)存在一些被稱(chēng)為無(wú)偏線(xiàn)的地理線(xiàn)。 返回 magnetic north