Purity is the quality or state of being pure. In science and shopping, that usually means how much of a thing is only itself: gold of high purity has little other metal in it; water purity is about dirt and chemicals.

Purity純度/純潔 is是 the quality or state of being pure「純」這種特質或狀態。In science and shopping在科學和購物的場合，that usually means這通常是指 how much of a thing is only itself一個東西有多少成分是它本身：gold of high purity純度高的金子 has little other metal in it含其他金屬很少；water purity水的純度 is about講的是 dirt and chemicals雜質和化學物質。

In morals and religion, purity is about a clean heart or clean behaviour, and people often tie it to sex — purity rings, talks about “keeping pure.” That moral use can feel heavy or old-fashioned, and some younger people push back against it.

In morals and religion在道德和宗教的場合，purity is aboutpurity講的是 a clean heart or clean behaviour純淨的心或純淨的行為，and而且 people often tie it to sex大家也常把它跟性連在一起——purity ringspurity ring（貞潔戒指）、talks about 'keeping pure'談「保持純潔」。That moral use這種道德上的用法 can feel heavy or old-fashioned可能讓人覺得沉重或老派，and而 some younger people push back against it有些年輕人會反對這種說法。

You also hear it for ideas: purity of intention (you meant only that), or the purity of a colour or a note (nothing mixed in). Same English word; the Chinese often splits. The core picture is the same: nothing extra, nothing staining it.

You你 also hear it for ideas也會聽到它用在想法上：purity of intentionpurity of intention（意圖的純粹） (you meant only that)（就是你的用意就只有那樣），or the purity of a colour or a note或是顏色、音符的純度 (nothing mixed in)（沒有摻雜別的）。Same English word同一個英文字；the Chinese often splits中文卻常常分成不同的詞。The core picture核心的畫面 is the same都一樣：nothing extra沒有多餘的東西，nothing staining it沒有東西弄髒它。