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This is the noun. It names the fact that two things can take each other's place. If two machine parts have interchangeability, you can put either one in and the machine still works. People also talk about the interchangeability of jobs or roles: one person can do what the other person does. You meet the word in factories, shops, and school writing more than in chat. Though actually, when someone says two words have interchangeability, they often mean “you can use either one” — but careful speakers know the two words are rarely a perfect match. In everyday talk, people more often say “you can swap them” than “they have interchangeability.”
可互換性、可替換性
組成interchangeable (can be swapped) + -ity (makes a noun that names a quality). So it means “the quality of being able to swap.”
同家族的字
- interchangeablethe adjective this noun is built from
- interchangethe verb at the root: to swap with each other
原始詞典資料1 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
interchangeabilitynoun
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The quality of being interchangeable.
- We were similar in many ways, Daniel and I. Almost interchangeable, I’d go so far as to say, and in a way the game seemed to depend on that interchangeability, on the possibility of proximity of experience.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。