氢 ⇒
氢 qīng, [氫], hydrogen (chemistry)
氢氧化钠 qīngyǎnghuànà, [氫氧化鈉], caustic soda/sodium hydroxide NaOH
氢气 qīngqì, [氫氣], hydrogen (gas)
氢氟酸 qīngfúsuān, [氫氟酸], hydrofluoric acid HF
氢弹 qīngdàn, [氫彈], H-bomb/hydrogen bomb
硫化氢 liúhuàqīng, [硫化氫], hydrogen sulfide HS/sulfureted hydrogen
氰化氢 过氧化氢 guòyǎnghuàqīng, [過氧化氫], hydrogen peroxide HÓ
氢化物 氢氧化铵 重氢 zhòngqīng, [重氫], heavy hydrogen (isotope)/deuterium
氯化氢 lǜhuàqīng, [氯化氫], hydrogen chloride HCl
氢氰酸 氟化氢 fúhuàqīng, [氟化氫], hydrofluoric acid
氢氧化物 qīngyǎnghuàwù, [氫氧化物], hydroxide
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