n.螯合剂...

chelator的音标：chelator的英式发音音标为：[ki:'leɪtə]chelator的美式发音音标为：['kɪleɪdə]...

This is further supported by experiments with the iron chelator desferrioxamine.对铁螯合剂去铁胺的研究也证实了这一观点....