vanadium
IPA/vəˈneɪdiəm/
KK[vənˈediəm]IPA/vəˈneɪdiəm/
vanadium — noun
1. a hard, silvery-grey metallic chemical element (symbol V) that resists rust well
1.名詞B2
釋義
a hard, silvery-grey metallic chemical element (symbol V) that resists rust well and is used mainly to strengthen steel, in industrial catalysts, and in rechargeable batteries that store large amounts of energy.
例句
In chemistry class, Nora learned that vanadium has the atomic number 23.
Bao's company adds vanadium to steel to make stronger building beams.
collocation: add vanadium to steel
New vanadium flow batteries can store large amounts of solar energy for hours.
Obi inspected the vanadium alloy knife blade, noting its strong resistance to rust.
The element vanadium was named after Vanadis, the Norse goddess of beauty, in 1831.
文法句型
vanadium + noun (as modifier)