n. 炮弹( cannonball的名词复数 ) v. 炮弹( cannonball的第三人称单数 )
中文词源
cannonballs 用法和例句提示：点击例句中的单词，就可以看到词义解释
提示：点击例句中的单词，就可以看到词义解释
For instance , in physics , if you want to understand the arc of a parabola , you shoot a cannon 100 times and see where the cannonballs land .
例如，在物理学里，如果你想要研究抛物线轨迹，你可以发射大炮100次，看看炮弹会落在哪里。
Bombs and cannonballs rained upon the town .
炸弹和炮弹雨点般地落进那个市镇。
And they work very well for billiard balls and cannonballs and gravity .
不论是台球、炮弹，重力，它都能解释的很好。
Whenever the film lets go with an action sequence , though , it 's time to be grateful for computer animation , and to keep both eyes peeled for incoming cannonballs .
