coastlineKK [ˋkoˏstlaɪn] /ˈkoʊˌstlaɪn/名詞1海岸線、海岸The island has a rugged coastline dotted with small fishing villages.這座島的海岸線崎嶇不平,散布著小漁村。2海岸線長度The country has more than two thousand kilometers of coastline.這個國家的海岸線長達兩千多公里。