Two long sentences. please help me to understand them. thank you so much!
1.we now have hundreds of tree-ring records from throughout the northern hemisphere, and many from south of the equator, too, amplified with a growing body of temperature data from ice cores drilled in Antarctica, Greenland, the Peruvian Andes, and other countries.

a)how to understand "too" and also "amplified with a growing body of temperature data from ice cores drilled in Antarctica, Greenland, the Peruvian Andes, and other countries."?

b)what does "drilled" mean here?
c)how to understand the whole sentence.

2.it was not a time of uniform warmth, for then, as always since the Great Ice Age, there were constant shifts in rainfall and temperature.

a)how to understand "for then" here
b)does "as" here mean "because

Question

Two long sentences. please help me to understand them. thank you so much!
1.we now have hundreds of tree-ring records from throughout the northern hemisphere, and many from south of the equator, too, amplified with a growing body of temperature data from ice cores drilled in Antarctica, Greenland, the Peruvian Andes, and other countries.

a)how to understand "too" and also "amplified with a growing body of temperature data from ice cores drilled in Antarctica, Greenland, the Peruvian Andes, and other countries."?

b)what does "drilled" mean here?
c)how to understand the whole sentence.

2.it was not a time of uniform warmth, for then, as always since the Great Ice Age, there were constant shifts in rainfall and temperature.

a)how to understand "for then" here
b)does "as" here mean "because

Answer

we now have hundreds of tree-ring records from throughout the northern hemisphere, and many from south of the equator, too, amplified with a growing body of temperature data from ice cores drilled in Antarctica, Greenland, the Peruvian Andes, and other countries.
我们现在有来自北半球的成百上千的树木年轮记录，还有许多来自赤道南部的（树木年轮）记录，通过在南极洲、格陵兰岛、秘鲁安第斯山脉和其他国家钻探的冰芯中获得的温度数据，不断扩充了温度数据库的数据量。

it was not a time of uniform warmth, for then, as always since the Great Ice Age, there were constant shifts in rainfall and temperature.
这个时代的温度并不稳定，因为，从冰河世纪以来，降雨和温度都在不断变化。

Answers · 2

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