常见例句用作名词 (n.)Deferoxamine was used as an iron chelator.去铁胺被用做铁的螯合剂。The chelator syringe has to remain in patients for five to seven hours a day, causing suffering for many.注射螯合剂在患者体内一天可停留五至七小时，为患者带来许多痛苦。 返回 chelator