day without frost是什么意思 day without frost怎么读
day without frost的用法和样例
- The winter and early spring temperatures at De Hoge Veluwe have increased in recent decades, although there has been no change in frost days.
近数十年来，尽管侯格维陆威的霜日天数没有变化，但冬天和初春的温度已经上升。
展开更多
