+7 = 15

ㄇㄟˊméi

ㄇㄟˊméi
  1. 毛亨。」
americium (chemistry)​ (Tw)​, (archaic)​ metal chain
Americium (Element 95, Am)​ (S, Chem)​, abschließen, sperren (V)​
Américium