nsec 英 [n'sek] 美 [n'sek] 基本解释 nanosecond(s) 同首字母单词 na [nə] naacp [ˌen dʌbəl ˌeɪ siː ˈpiː] naad naafi [ˈnæfi] naan [nɑːn] nab [næb] nabam ['neɪbəm] nabber ['næbə(r)] nabbie ['næbɪ] nabe [neɪb] nabeshima nabi ['nɑːbe]