speed
复数形式
speeds
1
速度
the rate or pace at which something or someone moves
- The cheetah is known for its incredible speed, reaching up to 70 miles per hour in short bursts.
猎豹以其惊人的速度而闻名，在短距离内可达每小时70英里。
- Please drive at a safe speed on this road; the limit is 50 miles per hour.
请在这条路上以安全速度驾驶；限速是每小时50英里。
- The rocket accelerated to tremendous speeds as it left Earth's atmosphere.
火箭在离开地球大气层时加速到了惊人的速度。
- Time seemed to slow down as he watched the car approaching at high speed.
当他看着汽车高速接近时，时间似乎变慢了。
- The runner sprinted with lightning speed toward the finish line, determined to win the race.
这位跑步者以闪电般的速度冲向终点线，决心赢得比赛。
2
4
安非他命, 速度
a stimulant drug that increases alertness, energy, and focus
- He was arrested for possession of speed, a dangerous and addictive stimulant.
他因持有speed（一种危险且易上瘾的兴奋剂）而被捕。
- Doctors warn that using speed recreationally can result in serious heart and mental health issues.
医生警告说，娱乐性使用速度会导致严重的心脏和心理健康问题。
- The addictive nature of speed has led to strict regulations and penalties for its misuse.
速度的成瘾性导致了对其滥用的严格规定和处罚。
- Long-term use of speed can cause physical and psychological dependency.
长期使用speed会导致身体和心理依赖。
- Speed’s effects on the brain can lead to impulsive behavior and decreased judgment.
速度对大脑的影响可能导致冲动行为和判断力下降。
5
光圈, 快门速度
the ratio of the focal length to the diameter of a (camera) lens system