acceleration
UK
US
Paraphrase
分析词义
Acceleration, 来自拉丁词 "accelerare",意为"加速"。在物理学中,它描述了速度如何随时间改变。简单讲,就是速度的变化率。
列举例句
词根分析
Acceleration 来自拉丁词 "accelerare",以 "ac-" 作为前缀,表强化; "-celer" 是词根,意为"快”。所以,acceleration 的字面意思是"使...更快",引申为"加速"。
其它词根 “-celer” 衍生的单词有:accelerate, decelerate。
词缀分析
acceleration 的后缀 "-tion",一般表示行为或结果。
发展历史和文化背景
"Acceleration"这个概念在牛顿的运动三大定律中拥有重要地位。这个词在真正科学上的概念定立,可以追溯到17世纪。由于它的科学概念,"acceleration" 在相关文化中通常被用来描述快速的前进。
单词变形
这个词只有两个形式,"acceleration" 是名词,"accelerate" 是动词。
动词加速的不同时态变化:
- accelerate (基本形, 可以指现在时,例如: I accelerate.)
- accelerated (过去时和过去分词, 例如: I accelerated yesterday.)
- accelerating (现在分词和进行时, 例如: I am accelerating now.)
记忆辅助
联想的方法可以帮你记忆这个单词。如:想像自己开着一台跑车,脚踩在油门上,车子加速(acceleration)前进。
小故事
Tom was driving his new sports car. The sudden acceleration threw him back into his seat. It felt like a rocket launch. "Wow, this acceleration is incredible," Tom thought as he grinned.
Tom正在驾驶他的新跑车。突然的加速把他压在了座位上。感觉就像火箭发射。“哇,这个加速度真是太棒了”Tom笑着心想。
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