grate的意思是什么?

grate的意思是什么?
在建筑上,路旁的树下一块铁的方格,英语说是grate,如何翻译才准确明了?

英汉进出口商品词汇大全 grate ①炉条②篦条筛,固定筛,选矿筛 英汉计算机大词典 grate n.栅 vt.磨擦 grate AHD:[gr硉] D.J.:[greit] K.K.:[gret] n.A framework of parallel or latticed bars for blocking an opening.炉格栅；筛滤栅由平行或交叉的横木构成的框架,用于封住一个口子 A framework of metal bars used to hold fuel or food in a stove,furnace,or fireplace.火格子,火床,炉床炉子、取暖炉或壁炉中用于盛燃料或食物的金属条构成的框架 A fireplace.壁炉；火炉 A perforated iron plate or screen for sieving and grading crushed ore.篦条筛用于筛选粉碎的矿石并分级的有孔铁板或铁筛 grate v.tr.grat.ed; grat.ing; grates; To equip with a grate.装格栅,装炉篦子 Middle English 中古英语 fromMedieval Latin gr硉a 源自中世纪拉丁语 gr硉a alteration ofLatin cr硉is[ wickerwork ] 拉丁语 cr硉is的变化[ 枝编物,柳条制品 ] grate AHD:[gr硉] D.J.:[greit] K.K.:[gret] v.grat.ed; grat.ing; grates; grate v.tr.To reduce to fragments,shreds,or powder by rubbing against an abrasive surface.磨碎通过在粗糙表面上磨擦使…成为碎片、细条或粉末 To cause to make a harsh grinding or rasping sound through friction:发吱吱嘎嘎的摩擦声通过磨擦产生吱吱的,刺耳的声音：grated her teeth in anger.愤怒中咬紧她的牙齿发出吱吱声 To irritate or annoy persistently.使气恼不断地激怒或烦扰 Archaic 【古语】 To rub or wear away.磨损 grate v.intr.To make a harsh rasping sound by or as if by scraping or grinding.磨擦而出声通过或类似通过刮削或磨擦发出吱吱的,刺耳的声音 To cause irritation or annoyance:使气恼导致愤怒或烦恼：a noise that grates on one's nerves.扰乱人神经的噪音 grate n.A harsh rasping sound made by scraping or rubbing:发刺耳的声音通过刮削或磨擦发出的刺耳的声音：the grate of a key in a lock.钥匙在锁中发出的刺耳声音 Middle English graten 中古英语 graten fromOld French grater[ to scrape ] 源自古法语 grater[ 刮削 ] [ of Germanic origin ] [ 源于日耳曼语 ] grate [^reit] n.炉篦,炉栅,炉条 固定筛 格栅 晶格,点阵 花[铁]格 格[环]状固定装药机构 grate [^reit] vt.给...加铁栅栏 grated [5^reitid] adj.grateless adj.air hole grate 气孔炉蓖 angular grate 斜炉篦 automatic feed grate 自动给煤炉篦 bar grate 条杆筛,篦条 basket grate 篮式栅 boiler grate 锅炉篦 chain grate 链式筛 clinker grate 倾卸炉篦 continuous charging grate 连续装煤炉篦 corner grate 角炉篦 cylindrical grate 辊式炉篦 dead grate 固定炉篦 drop grate 活动炉篦,倾卸炉篦,直接成形的浇口 dump grate 翻炉篦 endless grate 链炉篦,链条炉排 endless chain grate 无极链炉篦 fire grate 炉篦 jigging grate 簸动炉篦 magnet grate 【采矿】磁化篦条 mechanical grate 自动栅 moving grate 活动炉排 reciprocating grate 往复炉篦[炉排] revolving grate 旋转炉篦 shakeout grate 落砂栅,落砂格子板 震动落砂架 shaking grate 摇动炉篦 shutter grate 百叶炉篦 (机车的)炉床 尘格 水篦 step grate 分阶炉篦 tipping grate 可动式炉篦,卸渣炉篦,卸渣炉栅,倾动式炉篦 water-tube grate 具有冷却水管的炉篦