1. A Frenchman had caught a very bad cold.
    一个法国人得了重感冒。

2. A polar bear has a preference for cold weather.
    北极熊喜欢寒冷的天气。

3. A polar bear has a preference for cold weather.
    北极熊喜欢寒冷的天气。

4. A cold is a widespread disease.
    感冒是普遍的疾病.

5. At first, the water felt cold. It helped her wake up.
    开始水有点冷，不过这倒可以帮她清醒清醒。

6. 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。

7. You could take a toodle to work in the morning with a piece of cold meat and squeeze some fresh mustard on it at lunch.
    早晨上班时带着它，再带一块冷肉，中午吃饭时就可挤一些新鲜芥末在肉上一起吃。

8. She muffled her throat in a warm scarf not to catch a cold .
    她用一温暖的围巾围起脖子，以免感冒。

9. 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.

10. Since the moon is cold, it does not shine with light of its own.
    月亮是冷的，它本身不发光。