同根派生 agonic line相關(guān)詞英漢例句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)存在一些被稱為無(wú)偏線的地理線。agonic line更多例句