How to pronounce word in English - Learn English free online - atomic number 42 - How to pronounce the english word atomic number 42 in english. Start with S. Learn from me.

atomic number 42

n. a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel

同义词： molybdenum Mo

n.a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel

同义词：molybdenumMo

Dictionary