例句與造句

1. "' Osmium dioxide "'is an inorganic compound with the formula OsO 2.
2. By contrast, osmium dioxide ( OsO 2 ) is black, non-volatile, and much less reactive and toxic.
3. Osmium ( VIII ) oxide forms monoclinic crystals . " Pure " osmium ( VIII ) oxide is probably colourless and it has been suggested that its yellow hue is due to osmium dioxide ( OsO 2 ) impurities.
4. It's difficult to find osmium dioxide in a sentence. 用osmium dioxide造句挺難的