attenuate

US /əˈten.ju.eɪt/
UK /əˈten.ju.eɪt/
"attenuate" picture
1.

减弱, 削弱

reduce the force, effect, or value of something

:
•
The vaccine helps to attenuate the severity of the disease.
疫苗有助于减轻疾病的严重性。
•
The sound waves attenuate as they travel through the air.
声波在空气中传播时会衰减。
:
weakenreducelessendiminishdilute
2.

衰减, 减小振幅

reduce the amplitude of (a signal, electric current, or other oscillation)

:
•
The circuit is designed to attenuate the high-frequency noise.
该电路旨在衰减高频噪声。
•
Fiber optic cables can attenuate light signals over long distances.
光纤电缆可以在长距离上传输时衰减光信号。
:
dampendeadenmufflesoften
1.

减毒的, 弱化的

(of a disease or a pathogenic agent) reduced in virulence

:
•
The virus was attenuated in the lab to create a vaccine.
该病毒在实验室中被减毒以制造疫苗。
•
Live attenuated vaccines contain a weakened form of the pathogen.
活减毒疫苗含有病原体的减弱形式。
:
weakeneddilutedreduced