What's even more interesting, I think, is they can measure the different isotopes of oxygen and figure out a very precise thermometer and tell you what the temperature was the year that that bubble was trapped in the snow as it fell.
私にとって、更に興味深い事は 彼らは酸素の異なった同位元素を測定 する事が出来ます 非常に正確な温度計を見つけ出し