亜 あ酸化 さんか窒素 ちっそなら asankachissonara 1. If/when nitrous oxide Noun #129794 Open Menu Add to collection... Open
二 に酸化 さんか炭素 たんそ nisankatanso 1. carbon dioxide; CO2 ★ Common Noun #15436 Open Menu Add to collection... Open
我 われ ware 1. I; me2. oneself + 2 additional meanings ★ Common Pronoun #32163 Open Menu Add to collection... Open