a cold spell的用法和样例：
- It looks as if we were in for a cold spell.
- It looks as if we are in for a cold spell.
- We're going to have a cold spell,I hear.
- We are going to have a cold spell, I hear.
- This spring there is supposed to be a cold spell .
- Luck would have it that Fleming had decided not to store his culture in a warm incubator, and that London was then hit by a cold spell, giving the mold a chance to grow.
a cold spell的相关资料：