/ɡrɪl/
also : grille in this usage
a screen made of metal bars or wire that is placed in front of a window, door or piece of machinery in order to protect it （置于窗、门、机器前面的）铁栅栏，金属网罩
a radiator grille (= at the front of a car)
（汽车前的）散热器面罩
a security grille
noun
(BrE) the part of a cooker that directs heat downwards to cook food that is placed underneath it （炊具、烤炉内的）烘烤器