Male antler flies do the same, except they use their antlers to head-butt each other—to see off rivals.
雄性鹿角蝇也做同样的事情，只不过它们用鹿角互相头撞头——以赶走竞争对手。
Male antler flies do the same, except they use their antlers to head-butt each other – to see off rivals.
雄性的鹿角蝇所做的也和突眼蝇一样，只是他们用的是鹿角而不是眼柄来进行搏斗，以赶跑对手。
Zinedine Zidane retired from football after his infamous head butt in the World Cup final.
齐达内在世界杯上演了用头撞人那不光彩的一幕之后，告退绿茵球场。
This article introduced the experiment of residual stress in flat tubeplate head of large scale fuel boiler that was manufactured by cold rotary extruding and butt weld.
本文介绍了大型燃油锅炉经拼板焊接和冷旋压加工制造而成的平管板封头残余应力试验。
The utility model relates to a new shearing butt welder, which is a mechanical device for flush shearing and welding the tail steel part of a previous coil and the head steel part of a latter coil.
本实用新型所述的一种新型剪切对焊机，是一种用于把前一卷带钢尾部和后一卷带钢头部剪齐并焊接在一起的机械设备。
Lie on your back with your head and neck relaxed and your hands on the floor near your butt.
头部和脖子放松躺下，双手平放置于臀侧。
Lie on your back with your head and neck relaxed and your hands on the floor near your butt.
头部和脖子放松躺下，双手平放置于臀侧。
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