好词典

rev

UK /rev/US /rev/

词源

20世纪初缩写自revolution(旋转),最初用于描述内燃机运转。动词用法最早记录于1916年。

verb

❶ 指发动机快速旋转,通常用于描述汽车或摩托车引擎加速时的声音和动作。

“He revved the engine loudly before speeding off.”

(他在加速离开前大声地轰油门。)

“The mechanic asked me to rev the car to check the engine.”

(修车师傅让我踩油门检查发动机。)

❶ 比喻使某事物加速或变得更活跃,常用于非正式场合。

“The coach revved up the team before the big game.”

(教练在大赛前给队伍打气鼓劲。)

“We need to rev up production to meet the deadline.”

(我们必须加快生产进度才能赶上截止日期。)

同义词:accelerate, speed up, increase

noun

❶ 指发动机的转速单位,全称为revolution per minute(每分钟转数)。

“The engine is running at 3000 revs per minute.”

(发动机正以每分钟3000转的转速运转。)

“Keep the revs below 2000 while the engine warms up.”

(发动机预热时保持转速在2000转以下。)

同义词:rpm, rotation, revolution

常见短语

rev up — 使发动机加速运转;比喻让某事变得更活跃或更有效率。

“Let's rev up the marketing campaign to attract more customers.”

(让我们加强营销活动以吸引更多客户。)

rev counter — 转速表,显示发动机每分钟转数的仪表,常见于汽车仪表盘。

“Check the rev counter to make sure you're not over-revving the engine.”

(查看转速表确保你没有让发动机超转。)