n.烟蒂,屁股;笑柄;(武器或工具的)粗大的一端;大酒桶;
vt.& vi.用头撞或顶;碰撞;
例句:
She just stood there butt naked, looking at us.
她就赤条条地站在那儿, 看着我们.
Waitress 1 : I bet he's tall a cute butt.
女服务员 1: 我赌他高高的个子,有可爱的臀部.
Flashing butt welding between ferrite spheroidal graphite cast iron and 20 steel.
铁素体球墨铸铁与20钢的闪光对焊.