a large island off the north-west coast of Wales, a part of Gwynedd. It is joined to the mainland by both road and railway bridges, and passenger boats sail regularly between Holyhead on Anglesey and Ireland.安格尔西岛:威尔士西北海岸的一个大岛,是格温妮德的一部分。它通过公路和铁路桥梁与大陆相连,客船定期在安格尔西岛的霍利黑德和爱尔兰之间航行。