[chū bù]
（开始阶段的； 不是完备的） initial; first step; preliminary; tentative
a tentative programme
初步方案
have a preliminary exchange of views
初步交换意见
a tentative idea
初步设想
reap first fruits; get initial results
获得初步成果
A physical examination is a preliminary to joining the army.
体格检查是参军的初步。