But collecting and recording data on plants is a very difficult job.

然而，收集植物并记录相关数据不是一件容易的差事。

Those numbers are the highest since at least December 2000, when the government started recording the data.

这些数字至少是自2000年12月政府开始记录数据以来的最高值。

You kept that recording data from me.

那飞机录音的事情你瞒着我。

This was a metal cylinder – called a drum – coated in a magnetic material for recording data.

这是一个金属圆筒 - 称为鼓 - 涂有磁性材料用于记录数据。

And even while the researchers were recording their data, they didn’t know which chemical each participant had sniffed.

甚至在研究人员记录他们的数据时，他们也不知道每个参与者嗅到了哪种化学物质。

Forams, on the other hand, have been recording this data for hundreds of millions of years, and their archives have been slowly piling up on the seafloor.

另一方面， 有孔目动物数亿年来一直在记录这些数据，它们的档案一直在海底慢慢堆积。