sea

他们在海边建了一座小屋。

They built a cottage by the ___sea.

傍晚时分，我们喜欢在海边散步。

We enjoy walking by the ___sea in the evening.

我喜欢在海里游泳。

I like swimming in the ___sea.

看！海里有条船。

Look! There is a boat on the ___sea.