例句與造句

1. Iridium osmium alloys were used in fountain pen nib tips.
2. Osmium is found in nature as an uncombined element or in natural alloys; especially the iridium osmium alloys, osmiridium ( osmium rich ), and copper.
3. Iridium is found in nature as an uncombined element or in natural alloys; especially the iridium osmium alloys, osmiridium ( osmium-rich ), and iridosmium ( iridium-rich ).
4. After the war, the wider use of vinyl became more practical as new record players with relatively lightweight crystal pickups and precision-ground styli made of sapphire or an exotic osmium alloy proliferated.
5. It's difficult to find osmium alloy in a sentence. 用osmium alloy造句挺難的