英语语法分析

But it's not the only indicator and, paradoxically, its significance is declining.

但这并不是唯一的指标，而且矛盾的是，它的重要性正在下降。

As an indicator of shifts in the Earth's climate, the isotope record has two advantages.

作为地球气候变化的指标，同位素记录有两个优势。

Yes, the power indicator was on, and it was running, but somehow the sound didn't come through.

是的，电源指示灯是亮的，机器也正在运行，但是不知怎么的声音就是出不来。