+4 = 12 

ㄊㄞˋtài

  1. 過渡金屬元素符號Ti,原子序22。銀灰色熔點強度腐蝕製造特種合金顏料觸媒原料

titanium (chemistry)​
titane
Titan (Element 22, Ti)​ (S, Chem)​