+9 = 17

ㄐㄧㄢˋjiàn

ㄐㄧㄢˋjiàn
  1. 」、黑鍵」、」。
  2. 關鍵」。
key (on a piano or computer keyboard)​, button (on a mouse or other device)​, chemical bond, linchpin
Bindung, Keil, Taste (S, Chem)​
clé, clef, touche (de piano ou clavier)​