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1·This is first time the meaning of the headbutt has been clear.

这是第一次弄清楚用头碰撞的含义。

2·HONEYBEES headbutt their hive mates to warn them of danger at a food source.

蜜蜂用头碰撞它们的蜂巢伙伴，向它们警告食物源处的危险。

3·Along with the headbutt, the signaller makes a brief piping sound, says Nieh.

随着用头碰撞，这些通讯兵发出短暂的“尖叫”声，聂说。

4·Yes, I know, but Zidane was wrong to react that way as well - with a headbutt that knocked me to the ground and went around the world in 80 seconds.

是的，我知道。但齐达内也做出了同样错误的反应方式——他用头将我撞翻在地，这个80秒的镜头传遍了世界各地。

5·Super Mario Bros on Nintendo's NES console rocked entertainment's foundation blocks with a well-aimed headbutt in 1985, but surely it would take a while to match its might?

1985年，任天堂的红白机上的超级马里奥兄弟动摇了游戏业的基础，但这台主机应该得再过一段时间才能到达它的巅峰。