cannon ball 炮弹式发球 ; 加农球 ; 炮弹锤 ; 加农球气泡
cannon-ball service 勾手大力发球 ; 勾手鼎力发球 ; 大力发球
cannon ball tree 炮弹树
cannon ball mill 铁球磨
cannon-ball tree 圭亚那炮弹果木
Cannon Ball Loop 街道地址
cannon ball service 钩手大力发球
twin-size Cannon ball bed 双型加农球柱床
N-COUNT A cannonball is a heavy metal ball that is fired from a cannon. 炮弹
The Chateau d'If has no cemetery, and they simply throw the dead into the sea, after fastening a thirty-six pound cannon-ball to their feet.
伊夫堡是没有坟场的，他们在死者脚上绑一个三十六磅重的铁球，然后朝海里一扔就算了事了。
Some of the men suffered burst eardrums. At least one man was struck unconscious from the force of a cannon ball against the iron.
有些士兵的耳膜都震坏了，至少有一个人被炮弹打在战舰的铁皮上爆炸所产生的声音震昏过去。
Well there is this initial impedance from explosion, sure the cannon ball can keep going horizontally but as soon that impedance goes it store its natural motion which is downward.
在发射的最初阶段会产生一个阻力，使得炮弹可以保持水平飞行，很快阻力就消失了，自然力使得它向下运动。
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