先制的英文怎么说

先制的英文：
initiative

marginal initial
边缘原始细胞[见于植物]

The body is initially at rest, and the spring is initially unstretched.
起初物体是静止的，弹簧也未拉长。

embryo initial cell
胚原始细胞

Initially, all went well.
最初，一切顺利。

It is very familiar to the initiate.
这对新加入者是很熟悉的。