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助 じょ触媒 しょくばいではありませんでした
joshokubaidewārimasendeshita

敬
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Noun
, 
Desu Copula

The polite, past negative form of 助触媒

1. Was not an assistant catalyst.; Was not a supporting catalyst.

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

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助触媒ではありませんでした

助触媒ではありませんでした【じょしょくばいでわありませんでした】 Activity

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