“镶边石”的英语可以翻译为：kerbstone ...

他摔倒时额头碰在了路边镶边石上.He hit his forehead against the kerb when he fell.汤姆跌倒时,他的额头撞在路边的镶边石上.Tom hit his forehead against the kerb when he fell.在雾中他用手杖摸索街道的镶边石.In the fog he felt for kerb with his walking stick....