键 ⇒
关键 guānjiàn, [關鍵], crucial point/crux/CL:個|个[gè]/key/crucial/pivotal
键 jiàn, [鍵], key (on a piano or computer keyboard)/button (on a mouse or other device)/chemic...
键盘 jiànpán, [鍵盤], keyboard
关键词 guānjiàncí, [關鍵詞], keyword
按键 ànjiàn, [按鍵], button or key (on a device)/keystroke/CL:個|个[gè]/to press a button
关键性 琴键 qínjiàn, [琴鍵], a piano key
关键字 guānjiànzì, [關鍵字], keyword
化学键 huàxuéjiàn, [化學鍵], chemical bond
快捷键 kuàijiéjiàn, [快捷鍵], (computer) shortcut key/hotkey
空格键 kònggéjiàn, [空格鍵], space bar (keyboard)
左键 共价键 gòngjiàjiàn, [共價鍵], covalent bond (chemistry)
回车键 huíchējiàn, [回車鍵], carriage return
重启键 成键 关键球 红键