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有効 ゆうこう作用 さようではありませんでした
yūkōsayōdewārimasendeshita

敬
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Noun
, 
Desu Copula

The polite, past negative form of 有効作用

1. Was not effective.; Did not work.

Past/Perfective
, 
Negative
, 
Polite
, 
Formal Register
, 
Physics

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有効作用ではありませんでした

有効作用ではありませんでした【ゆうこうさようでわありませんでした】 Activity

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