They built a man-made island in the sea.

他们在海上建造了一座人工岛。

The construction of a man-made island requires a lot of funds and technology.

人工岛的建设需要大量的资金和技术。

Kansai was built on a man-made island in Osaka Bay.

关西 机场建在大阪湾中的一座人工岛屿上。

Kansai was built on a man - made island in Osaka Bay.

关西机场建在大阪湾中的一座人工岛屿上.