Weak cold air

• 弱冷空气

Weak cold air的用法和样例：

例句

1. Under the influence of a weak cold air southward from the North China, some parts of Shanghai will see scattered showers from this afternoon to tomorrow.
   受北方一股弱冷空气扩散南下影响，今天下午到明天白天本市将有一次弱降水过程，气温有所下降。
2. The results show that the heavy storm was caused by the interaction between a tropical cyclone trough that landed in Guangdong Province and a weak cool front in the westerlies.
   结果表明，本次大暴雨是由在广东登陆的热带气旋倒槽北伸与西风带弱冷空气相结合的产物。