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衰减

衰減
shuāijiǎn
verb HSK 7-9 #32,491

Meanings

  1. 1 to weaken
  2. 2 to attenuate
  3. 3 to decay
  4. 4 to diminish

Characters

衰
shuāi
to decline; to weaken
减
jiǎn
to reduce; to decrease
Both characters mean 'to decrease' - together they describe gradual weakening

Examples

HSK 5
随着年龄增长，记忆力会逐渐衰减。
Suízhe niánlíng zēngzhǎng, jìyìlì huì zhújiàn shuāijiǎn.
Memory gradually declines with age.
HSK 5
这种材料的强度不会衰减。
Zhè zhǒng cáiliào de qiángdù bù huì shuāijiǎn.
The strength of this material does not diminish.
HSK 6
信号经过长距离传输后会衰减。
Xìnhào jīngguò cháng jùlí chuánshū hòu huì shuāijiǎn.
The signal attenuates after long-distance transmission.

Tips

usage
衰减 is often used in technical and scientific contexts: signal attenuation, radioactive decay, strength degradation. For everyday 'decline', 下降 or 减弱 are more common.

Stroke Order

衰 shuāi
减 jiǎn