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Speed
01
速度, 速率
the rate or pace at which something or someone moves
Example
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，短时间内可以达到每小时70英里的速度。
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的速度行驶，限速为每小时50英里。
02
速度, 速率
distance travelled per unit time
03
速度, 速率
changing location rapidly
04
兴奋剂, 速效药
a stimulant drug that increases alertness, energy, and focus
InformalExample
He was arrested for possession of speed, a dangerous and addictive stimulant.
他因持有兴奋剂被逮捕，这是一种危险且上瘾的兴奋剂。
Doctors warn that using speed recreationally can result in serious heart and mental health issues.
医生警告说， recreationally 使用兴奋剂会导致严重的心脏和心理健康问题。
05
光圈速度, 镜头速度
the ratio of the focal length to the diameter of a (camera) lens system
to speed
01
加速, 迅速移动
move hurridly
1.1
超速, 快速行驶
to travel at a velocity that exceeds legal limits or is considered dangerously fast
Example
They often speed on that empty stretch of road late at night.
他们常常在深夜的那段空旷路段上超速行驶。
He was ticketed for trying to speed through the residential area.
他因为试图在居民区内超速行驶而被开了罚单。
02
加速, 促进
cause to move faster
03
加速, 迅速移动
move faster
04
加速, 快跑
move very fast
