Acceleration
[ ək'sɛlə'reʃən ]
其它 Other
n. 加速;<物>加速度;加速升级;（优秀学生的）跳级;
💡 词根助记
ac一再+celer加速+ation名词后缀→加速
📝 例句
acceleration of gravity
重力加速度
It is called the centripetal acceleration.
这叫做向心加速度。
Find the magnitude of the average acceleration during the interval.
求在这段时间间隔内平均加速度的数值。
In the case of dielectric breakdown, a different type of acceleration occurs.
在介质击穿的情况下，出现了一种不同类型的加速。
The analysis shows clearly what force it is that "slows up" the acceleration.
这种分析清楚地指明了，是什么样的力使加速度“慢下来”的。
✅ 同义词
🔴 反义词
🔤 词根
-cel-表示“速度”
📖 牛津释义
acceleration
n[U]
1 making or being made quicker; increase in speed 加快; 促进; 加速
an acceleration in the rate of economic growth 经济发展速率的增长.
2 (of a vehicle) ability to gain speed （指车辆）加速性能
a car with good acceleration 加速性能良好的汽车.
🔁 扩展释义
*[әk,selә'reiʃәn]n. 加速, 促进, 加速度【化】 加速度【医】 加速[作用]【经】 加速原理, 加速(作用)
🏥 医学释义
①加速，加速度 ②促进
🌿 同词根单词
📖 同为「CET-4」词汇
查看全部CET-4词汇 ›🗣️ 情景例句
Follow your teacher's instructions.
按照他/她告诉你的去做。
You were very kind. You brought out all your jewellery and you told me I could take anything I wanted. There were so many beautiful things that it was hard to choose. And then I saw a lovely diamond necklace with a big blue stone in the centre.
你太好了。当时你把所有的珠宝首饰全都拿了出来，而且说，我要什么就可以拿什么。漂亮的首饰太多了，实在难挑选。后来我终于看中了一条美丽的钻石项链，中间还嵌着一颗大蓝宝石。
Quite well, thank you.
很好，谢谢你。