辽宁
词义
读音：attenuate /ə'tenjʊeɪt/
词义：使减弱
词性：动词
级别：GRE / SAT
出处：源自拉丁语 attenuāre，词根为 tenuis，字面为 ad (朝向，加强) + tennis (纤细的，单薄的)，16世纪经法语进入英语，属于正式书面和学术用语。
用法
Long-distance cables attenuate electrical signals significantly.
长距离电缆会大幅衰减电信号。
The heavy fog attenuated the sunlight over the city.
大雾削弱了照射城市的阳光。
The antibiotics attenuated the virulence of the bacteria gradually.
抗生素逐步削弱了细菌的毒性。
You could never eliminate risk, but preparation and training could attenuate it.
风险不可能完全消除，但可以通过防范和培训来降低。
The attenuated radio signal could barely be received in remote mountains.
衰减后的无线电信号在深山里几乎无法接收。(a.)
Doctors injected patients with attenuated influenza virus for immunization.
医生为患者注射减毒流感病毒以完成免疫接种。(a.)
Years of starvation left the refugees with attenuated physiques.
常年饥饿让难民们身形瘦弱单薄。(a.)
近义
Attenuate 近义词按难度级别由低到高：
中学
reduce /rɪ'du:s/：减少
decrease /dɪ'kri:s/：减少，降低
四六级
blunt /blʌnt/：减弱
weaken /'wi:kən/：削弱
impair /ɪm'per/：损害，削弱
diminish /dɪ'mɪnɪʃ/：减少，减弱
出国
abate /ə'beɪt/：减轻
lessen /'lesn/：减弱
mollify：抚慰
relent：缓和，减弱
mitigate：缓和，减轻
enervate：使衰弱
assuage：缓解，减轻
近形
Attenuate 的词根 tenu 表示"稀，薄"，常用同源词：
tenuous /'tenjʊəs/：纤细的 (a.)
extenuate /ɪk'stenjʊeɪt/：减轻 (v.)
tendril /'tendrɪl/：(植物的)卷须 (n.)
影视
△Contagion (《传染病》2011)
名著
以下文字摘自《呼啸山庄》第27章。
"Consent to what?" she asked. "To stay? Tell me the meaning of this strange talk, and I will. You contradict your own words, and distract me! Be calm and frank, and confess at once all that weighs on your heart. You wouldn't injure me, Linton, would you? You wouldn't let any enemy hurt me, if you could prevent it? I'll believe you are a coward for yourself, but not a cowardly betrayer of your best friend."
"But my father threatened me," gasped the boy, clasping his attenuated fingers, "and I dread him—I dread him! I dare not tell!"
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