写作思路：从文章的写作目的、中心主旨入手，以使文章中心思想鲜明、深刻地表现出来，正文：
Last summer vacation,my family and I went to Qingdao by train. There was always sunshine and fresh air,which made us so comfortable.
上个暑假，我和我的家人坐火车去了青岛，那里总是阳光明媚,空气也很清新，令人心情舒畅。
We went to the seaside,the sea was as blue as the sky, and bathing in the sunshine on the beach, was really an enjoyable thing.
我们去了海边，海水和天空一样的蓝，在沙滩上沐浴着阳光，是件很享受的事儿。
I also picked up a lot of colorful shells with my little sister.
我和妹妹还捡了好多五颜六色的贝壳。
There we bought many interesting souvenirs, I was planing to send them to my friends.
我们在这里买了好多有趣的纪念品，我打算送给我的朋友们。
We ate many tings there,such as fish,prawn, and so on. They are very delicious.
我们在这里吃到了很多东西，比如鱼，虾..真的很美味。
Then we lived in a clean and tidy hotel, and the price was not so expensive.
我们住在一个干净整洁的旅馆里，而且价格不是很昂贵。
I like Qingdao very much, and if I got a chance, I hope to come here again, it is such a beautiful and interesting place.
我很喜欢这里，如果有机会我还希望可以再次去青岛，这个美丽有趣的地方。