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A racer is someone who takes part in a race — on foot, on a bike, in a car, in a boat, and so on. The ending -er means “a person who does this”, the same as in runner or . It is a plain, everyday word, not only for famous drivers. Though actually people also call a very fast bicycle or car a racer, as if the machine itself were racing; that is a stretch of the same idea. For this sense, keep the person in mind: the racer is the one competing. Do not mix it up with racist, which is a completely different word.
參賽選手（跑步、自行車、船都可用；開車比賽時台灣也常說賽車手）
原始詞典資料8 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。
Racername
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A surname from German.
racernoun/ˈɹeɪ.sə/
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Agent noun of race: one that races or is used for racing.
- He was a [motorcycle] racer as a teenager, and a frequent visitor to the Isle of Man, where he had many friends.
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Agent noun of race: one that races or is used for racing.
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Agent noun of race: one that races or is used for racing.
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Agent noun of race: one that races or is used for racing.
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Any of several genera of colubrid snakes.
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informalvideo-gamesA video game involving racing of any kind.
- For our kart racer, we will start by investigating common elements in similar games that we will need to bring to life, […]
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A racist.
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。