noun ダウンロード 🔗共有 清潔さ、衛生 The property of being cleanly, or habitually clean; good hygiene. Examples : "Cleanliness is next to godliness. (proverb)" 清潔さは神聖さに次ぐ。 (ことわざ) quality condition medicine body AIとチャット語彙ゲーム読解練習