attenuated
[əˈtenjueɪtɪd]
v.
（使）变细( attenuate的过去式和过去分词 );
（使）变薄;
（使）变小;
减弱;
例句:
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Theirs had been an increasingly attenuated relationship.
他们的关系日益冷淡。
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an attenuated form of the virus
毒性已衰减的病毒
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You're a seraphic suggestion of attenuated thought .
你的思想是轻灵得如同天使一般的。
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Measles- and mumps-containing vaccines are live attenuated virus vaccines.
来自SA
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Hudson has played only an attenuated role in this campaign.
来自NEWYORKER
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So its startle reflex is not attenuated.
来自NEWYORKER