下: below; down; under; undernea ...楔: wedge peg材料: material槽楔材料: slot wedge material上楔材料: upper chord下楔: hyposphene安全钳下楔: safety plank固定上下楔块: fix the upper and lower wedges下楔型切除术: lwr中脑下楔状核: subcuneiform nucleus of midbrain材料: 1.(原料) material 建筑材料 building material; 原材料 raw material; 廉价材料 cheap materials; 防火材料 fire-resisting material; 橡胶是一种弹性材料。 rubber is an elastic material.2.(资料) data; material 参考材料 reference material; 档案材料 archival material; 第一手材料 firsthand information; 调查材料 data; findings; 搜集材料 gather material; collect data; 学习材料 material for study; 书面材料 written material; 他正在为写陶渊明传记搜集材料。 he is now collecting material for a biography of tao yuanming.3.(适于做某种事的人才) makings; stuff 他不是做教师的材料。 he is not the stuff teachers are made of.; he does not have the makings of a teacher 材料表,材料单: bill of materialsdu材料: du materials材料 成分: ingredient材料,物料: material材料,原料: stuff材料包: dcpackage材料变: material change stock change材料表: b/m (bom) bill of material; bill of material (bm); bill of materials; bm (= bill of material); list of materials; material list; material schedule; materials statement; shop bill材料部: material department材料侧: material side材料场: yard of material材料车: stores van材料处: stores department材料单: bill of materials (b/m); bill of materials bom; bm; list of material; material bill; material list; material order