Variable Zone

常见例句

• Most of China is in the temperate zone.
  中国的大部分地区在温带。
• In the temperate zone in spring, temperatures fluctuate greatly from day to day, but day length increases steadily by a predictable amount.
  春天的温带地区，气温每天都变化不定，但是日照长度却以一个可预知的数量稳步增加。
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