Spark frequency
[电] 电花频率
🧩 词语组成解析
spark
[spɑrk]
n. 燃烧的颗粒;火星，火花，余火;（金属的）发光的颗粒;电火花;
vi. 发出火星，发出闪光;热烈赞同;正常运转;
vt. 发动，触发;激起运动，鼓舞;
frequency
['frikwənsi]
n. 频繁性;[数][物]频率，次数;频率分布;
fr + equ =equal,even,表示“相等，平均” + enc + y [形容词后缀] → n.屡次；次数；频率
🗣️ 情景例句
No, I could never agree to sign this contract.
不，我无论如何也不会签这份合同。
There is no medicine against death.
人间哪有不死（回春）药。
She entered the station twenty minutes before the train was due,
在火车进站20分钟前她就进了车站。