material n.材料;原料;素材;资料;题材;物质adj.物质的;重要的;关键的;肉体上的;实质性的
双语例句
Such foreign material can produce a granulomatous reaction. 这样的异物可促使肉芽肿形成。
Also, foreign material detecting stopping and alarming function is delivered by using photoelectric and infrared detecting technologies. 应用光电探测红外线探测技术,实现了异物探测自动停车与报警功能。