HSK V7-9
Correct

衰减

/ shuāijiǎn / 
Strokes

Definition

to weaken/to attenuate

Example

As a Verb

weaken; worsen; diminish

1
Wǒ
我
de
的
tǐlì
体力
rìjiàn
日渐
shuāijiǎn
衰减
  
。

I'm getting weaker physically.

As a Verb

attenuate; decay; degenerate

2
Shuāijiǎn
衰减
yīnshù
因数

attenuation factor

3
Shuāijiǎn
衰减
shíjiān
时间

decay time

4
Shuāijiǎn
衰减
shīzhēn
失真

attenuation distortion