废催化剂

1.spentcatalyst  

废的英语翻译：

abandon; abolish; depose; give up; waste; useless

催化剂的英语翻译：

activator; catalyzer
【计】 catalyst
【化】 catalyst; catalyzator; catalyzer
【医】 accelerant; catalyst; catalytic agent; catalyzator; catalyzer
contact substance