britain is a country of ilands on the sea on the sea 是指islan

britain is a country of ilands on the sea on the sea 是指islan in the sea还是on the sea On the sea 和in the sea by the sea 于on the sea 辨析at sea / on the sea 翻译It lies in the low country of Europe on North Sea 关键in the a port on the sea 怎么翻译 fly in the sea还是fly on the sea? Many people like windsurfing------(in the sea ,on the sea) travel in the sea 还是 travel on the sea.. the ship on the sea.可以加 is the ship is on the sea.为什么?有什么区别? The sea is very beautiful when the sun is shining __ it.A.on