English Dictionary

The chemist carefully examined the sample of magnesium sulfide under a microscope to determine whether its brown, non-crystalline appearance was due to impurities.

化学者は、顕微鏡で硫化マグネシウムの試料を注意深く観察し、その茶色い非晶質の外観が不純物によるものかどうかを調べた。