defined

/dɪˈfaɪnd/📚 14001 27 1高考四级六级考研雅思托福
If something is clearly defined or strongly defined, its outline is clear or strong. 界定的

adjective [原级]轮廓分明的,外形清晰的

A clearly defined track now leads down to the valley.
如今一条轮廓清晰的小径通向峡谷。

verb [vt. 及物动词]vt. 给……下定义,解释;阐明,使清楚;标明……界限,明确显出……轮廓(define 的过去式和过去分词)

These categories are not well defined.
这些类别划分得不太明确。

单词造句:
网友用“Defined”造句精选
The powers of the police must be clearly defined. 警察的职权必须明确界定。