剑桥词典a province of Ireland, part of which is now in Northern Ireland and part in the Republic of Ireland 阿爾斯特(愛爾蘭的一個省,分屬北愛爾蘭和愛爾蘭共和國) a name for Northern Ireland, which is part of the UK 阿爾斯特(對北愛爾蘭的稱呼) 返回 Ulster