“frontiers”嘅發音 英語 [en] 口音: 其他 frontiers嘅發音 發音人 NatalieJael (女,來自圭亞那) 女,來自圭亞那 發音人 NatalieJael User information Follow 0票 好 毋好 添加到喜愛嘅發音裡肚 下載 報告
翻譯 frontiers嘅翻譯 定義 frontiers嘅定義 a wilderness at the edge of a settled area of a country an international boundary or the area (often fortified) immediately inside the boundary an undeveloped field of study; a topic inviting research and development