n.过火砖；毛口；毛头
名词burr的复数形式.
She speaks with a soft rural burr. 她说话带著乡下人的轻柔的r音。
The phones in Europe don't seem to ring;they burr. 在欧洲听筒似乎发不出清脆响亮的声音，它们发音粗浊不清。
File off burrs on edges of the board. 用力往下折断开，板边有毛刺是可用锉刀挫平。
Our dog came home with burrs in his coat. 我们的狗回家时毛上有些带刺的种子。
A new style punch die without burrs is designed. 设计了一种新型无毛刺冲孔模具。
Remove all weld splatter and burrs. 所有焊缝必须焊透.
