When two things are interchangeable, you can use one in place of the other and nothing important breaks.

When two things are interchangeable當兩個東西是interchangeable（可互換的）的時候，you can use one in place of the other你可以用其中一個代替另一個，and nothing important breaks而不會壞了什麼重要的事。

A spare part is interchangeable if it fits the same way as the old part. Two workers can be interchangeable if either can do the job. With words, English speakers often say two words are interchangeable when they are close in meaning.

A spare part is interchangeable一個備用零件是interchangeable的 if it fits the same way as the old part如果裝法跟舊零件一樣。Two workers can be interchangeable兩個員工可以是interchangeable if either can do the job如果誰來做這份工作都可以。With words講到字詞，English speakers often say two words are interchangeable英語使用者常常說兩個字是interchangeable when they are close in meaning在意思相近的時候。

Though actually, calling people interchangeable can sound a little cold — as if they do not matter as people, only as roles. And with words, “interchangeable” is often used a bit loosely: the two words can swap in many places, but not in every place.

Though actually不過其實，calling people interchangeable can sound a little cold把人說成interchangeable聽起來可能有點冷酷——as if they do not matter as people, only as roles好像他們重要的不是身為一個人，而只是他們的角色。And with words而講到字詞，“interchangeable” is often used a bit loosely「interchangeable」也常常用得比較鬆散：the two words can swap in many places這兩個字可以在很多地方互換，but not in every place但不是每個地方都可以。

The word is fairly neutral; you meet it in shops, factories, and careful writing. The usual pattern is interchangeable with, not interchangeable to.

The word is fairly neutral這個字算是相當中性；you meet it in shops, factories, and careful writing你會在店裡、工廠，還有嚴謹的寫作裡碰到它。The usual pattern is常見的用法是 interchangeable withinterchangeable with，not interchangeable to不是interchangeable to。