1. An ocean of blue above, a blanket of pure white below.
    头上是一片蓝色的天海，身下铺着雪白的云毯。

2. A lone cloud floated in the blue sky.
    一缕孤云在蓝天中飘流。

3. About 200 million years ago, warm-blooded animals took to the air — the first birds.
    大约2亿年前，温血动物开始在天空中飞翔——它们是最早的飞鸟。

4. She looked at the blue dome of the sky.
    她望着蓝色的苍穹。

5. She was wearing a pair of tight blue jeans.
    她穿著蓝色紧身牛仔裤.

6. She was wearing a blue dress and a mink coat.
    她穿着一件蓝色的衣服和一件貂皮大衣.

7. Some warm-blooded animals, like the cat , the dog or the wolf, do not need to hibernate.
    有些温血动物, 如猫,狗,或狼, 不需要冬眠.

8. She was wearing a blue dress and a mink coat.
    她穿着一身蓝色的套装和一件貂皮大衣。

9. My shirt´s blue.
    我的衬衫是蓝色的。

10. My mother has dressed my sister and me in our best clothes — identical navy blue dresses with sailor collars and gray coats.
    我母亲给我和我妹妹穿上了我们最好的衣服——两人的衣服是一样的——都是有水手领的海军蓝裙子和灰色外套。