catalyst催化剂: catalyst; catalytic agent触媒: catalyst; catalytic agent接触剂: contact agent催化剂;接触剂;触媒: catalyst接触剂, 催化剂: contact substance下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:催化剂,触媒,接触剂,即可在微信中查询翻译