This is the 6771st most frequent Japanese word.
ピュア
"ピュア" means "pure" in English.
The word "ピュア" here describes someone's heart as clean, sincere, and free from impurities.
彼女の心は本当にピュアですね。
Her heart is truly pure.
The context involves the condition of water, using "ピュア" to signify cleanliness and the absence of contaminants.
この水はとてもピュアなので安心して飲めます。
This water is very pure, so you can drink it safely.
The term "ピュア" describes the inherent innocence and captivating quality associated with a child's facial expression.