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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
加速；加快
先理解核心含义，再看它在真实句子里的用法。
加速；加快
To accelerate; to increase speed.
The software update should speed up your computer.
这次软件更新应该能让你的电脑运行得更快。
不及物用法：主语自身速度加快。
加速；增加速度。
To accelerate; to increase speed.
使加速；增加其速度,使其更快。
To accelerate (something): to increase its speed, to make it go faster.
speed up
Base
原形
speeds up
3rd person
第三人称单数
speeding up
-ing
现在分词
sped up
Past
过去式
sped up
Past participle
过去分词
The car speeds up quickly.
这辆车加速很快。
He sped up to catch the bus.
他加速去赶公交车。
They have sped up the production process.
他们已经加快了生产流程。
注意：speed up 是不规则动词，过去式和过去分词为 sped up。
The train sped up as it left the station.
火车离开车站时加速了。
We are speeding up production to meet the order.
为了完成订单，我们正在加快生产。
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.