同根派生 km.相關(guān)詞英漢例句用作名詞 (n.)Its epicenter was 19.6 km east of Nanao.這次地震的震央是在南澳東方十九點(diǎn)六公裡処。It has a top speed of 300 km per hour.時(shí)速高達(dá)三百公裡。km.更多例句