It's still minus 20 degrees centigrade, 此时温度还是零下20摄氏度
In the Sahara the temperature can drop as much as 30 degrees during the night, 在撒哈拉沙漠中 晚上的气温会下降整整30℃
In the full sun the temperature on the ground soars to 70 degrees. 待到阳光最毒辣之时 地面温度已升高至70℃
Every hour the temperature rises by five degrees centigrade. 每过一小时 气温就将升高5℃
From a summer high of 50 degrees centigrade 虽然夏季气温高达50℃
and at 50 degrees of latitude a radical transformation begins. 北纬50°的地方是一场重大变革的起点
For now though it's still minus thirty degrees 而现在的气温仍然有-30℃
and temperatures drop to minus seventy degrees centigrade. 气温下降到零下70℃