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二 に酸化 さんかケイ素 けいそじゃなかったです
nisankakeisojanakattadesu

敬
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Noun
, 
Desu Copula

The polite, past negative form of 二酸化ケイ素

1. It wasn't silicon dioxide.

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

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二酸化ケイ素じゃなかったです

二酸化ケイ素じゃなかったです【にさんかけいそじゃなかったです】 Activity

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