鍵
jiàn HSK5

key, bolt

键 (鍵) jiàn
key noun
a key on a piano or computer keyboard, or a button on a mouse or device

他按下了键盘上的空格键。

tā àn​xià le jiàn pán shàng de kòng​gé​jiàn.

He pressed the space bar on the keyboard.

bond noun
a chemical bond that connects atoms in a molecule

这种分子结构中含有一个共价键。

zhè zhǒng fēn​zǐ jié​gòu zhōng hán​yǒu yī gè gòng jià jiàn.

This molecular structure contains a covalent bond.

linchpin noun
a mechanical pin or bolt used to fasten parts together or keep a wheel on its axle

工人正在检查机器轴承上的锁键。

gōng​rén zhèng​zài jiǎn​chá jī​qì zhóu​chéng shàng de suǒ jiàn.

The worker is checking the locking key on the machine bearing.

Cross-References

Has old variant

Frequency
Character
Written text
1,471st most common 74.6 per million
Movie subtitles
1,295th most common 60.6 per million appears in 30% of films
Word
Movie subtitles
9.00 per million appears in 3% of films
Written text
21.0 per million

Details
HSK 3.0
Level 5
Simplified
键
Strokes
16
Unicode
U+9375

Sources
Definitions
CC-CEDICT
Frequency data
MTSU Chinese text computingSUBTLEX-CHBCC Corpus (BLCU)