1. In big cities during cold winter months, many old people die from the polluted air.
    在大城市里, 在寒冷的冬季, 许多老年人死于污染的空气.

2. It is often cold in December, January and February. It snows sometimes.
    12月, 1月和2月通常是寒冷的. 有时还下雪.

3. In our own solar system, for example, Venus is far too hot and Mars is far too cold to support life.
    举例来说，在我们的太阳系里，对于生命来说，金星的温度太高，而火星的温度则太低。

4. Is it cold or warm in autumn?
    秋季的天气是冷还是暖呢？

5. It´s often cold in November and it rains sometimes.
    11月常常就冷了，而且有时下雨。

6. Is it very cold in winter?
    冬季的天气很冷吗？

7. It´s often cold in December, January and February.
    12月、1月和2月常常很冷，

8. It was a cold winter day.
    那是一个寒冷的冬日。

9. It was a very cold night and a terrible wind was blowing.
    那是一个寒冷的夜晚，狂风呼啸。

10. I was no longer in a tropical area and I felt cold inside and out, the first time such a feeling had come over me.
    我已不再身处热带,我浑身上下感到寒冷。这种感觉第一次袭上我的心头。