中新社消息，未来三天，一股冷空气将席卷中国除青藏高原以外的大部地区，并带来大风降温和霜冻天气。
A stream of cold air will sweep across most of China except for the Qinghai-Tibet Plateau, causing strong winds, reduced temperatures and frost for the next 3 days, the China News Service reported.
一场恶劣的寒冷天气和长时间的霜冻都可能会毁掉一个农民的全部收成。
A bad bout of cold weather, a long spell of frosts could ruin a farmer's entire crop.
他说，尽管如此，但是霜冻和凉爽的天气使油菜籽产量受损是言之尚早的。
But despite frosts and cool weather, it's too early to say if canola yields will suffer, he said.
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