LEARNit Dictionary
roll bar
noun
/ˈrəʊl bɑː(r)/
UK
/ˈrəʊl bɑːr/
US
1
a metal bar over the top of a car without a roof, used to make the car stronger and to protect passengers if the car turns over
میله ایمنی, حفاظ ضد واژگونی, میله ایمنی واژگونی