n.

1. 速率，速度[C][U]
   The train is travelling at a speed of sixty miles an hour.

   火車正以每小時六十英里的速度行駛。

2. 快速，迅速[U]
   You work with amazing speed.

   你工作起來速度奇快。

3. （膠片等的）感光速率；（攝影機的）曝光速率[C][U]
4. （汽車等的）變速裝置，排檔[C]
   The young man just bought a 10-speed bicycle.

   這個年輕人剛買了一輛十速自行車。

5. 【俚】脫氧麻黃鹼（一種興奮劑），安非他命[U]
6. 【古】幸運，成功；昌盛[U]

vi.

1. 迅速前進，快行[Q]
   The ambulance sped to the hospital.

   救護車急速向醫院駛去。

2. （通常用進行式）行進得過快，超速行駛
   Tom was fined for speeding.

   湯姆因超速行車被罰款。

3. 加速[（+up）]
4. 【古】過日子；興隆；成功

vt.

1. 快速傳送；發射
   Now space satellites are used to speed long distance calls.

   現在宇宙衛星被用來快速傳送長途電話。

2. 急速送至[O]
3. 促進；加快……的速度
   Fresh air and nutritious food will speed his recovery.

   呼吸新鮮空氣，吃有營養的食物會促進他身體的康復。

4. 調整（機器等的）速率；使定速運行
5. 祝願……一路平安；祝願……早日成功
6. 【古】使成功；使興隆

n.

1. the rate at which someone or something moves or operates or is able to move or operate.
   ▸rapidity of movement or action.
2. each of the possible gear ratios of a bicycle or (US) of a motor vehicle.
3. the light-gathering power or f-number of a camera lens.
   ▸the duration of a photographic exposure.
   ▸the sensitivity of photographic film to light.
4. informal an amphetamine drug, especially methamphetamine.
5. archaic success; prosperity.

v.

1. move quickly.
   ▸ (speed up) move or work more quickly.
   ▸ (also speed something up) cause to happen more quickly.
2. (of a motorist) travel at a speed greater than the legal limit.
3. informal take or be under the influence of an amphetamine drug.
4. archaic make prosperous or successful.

[名]

1. 速度；速率。