pre.par.a.tiveadj.(形容词)Serving or tending to prepare or make ready; preliminary.准备性的:用作或易于准备的;预备性的n.(名词)Something that prepares for or acts as a preliminary to something following.预备:为随后的事作准备或作为其开端的事物【引伸】prepar.ativelyadv.(副词)