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Sped is the past tense of the verb speed, meaning moved somewhere very fast. 'The car sped down the road' means the car went down the road very quickly. It is also used with 'up' — 'sped up' means became faster, or made something go faster. English actually keeps two past-tense forms for speed: sped (for moving fast) and speeded (used mainly in 'speeded up' in British English, and always in 'speeding,' the crime of driving too fast). In everyday talk, 'sped' is the one you will hear most.
（speed 的過去式）飛快前進；加速
組成speed (to move fast) + -d, with the vowel changing from 'ee' to 'e' — an irregular past-tense pattern, similar to how feed becomes fed.
同家族的字
- speedysame root speed, meaning fast or quick
原始詞典資料5 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。
spednoun詞源 2/spɛd/
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offensivederogatoryslangA special education student.
這個拼法也被記錄為下列字的變化形：
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。