demarcated造句
        Plots of land have been 
demarcated by barbed wire.
一块块土地都用带刺的铁丝网圈了起来。
a 
demarcated area of the Earth.
地球上一个被划了分界线的区域
The two provinces are 
demarcated by a river.
两省以河流分界.
The ulcer is shallow and sharply 
demarcated, with surrounding hyperemia.
溃疡表浅、边界清晰, 周围有充血.
Work areas were not sharply 
demarcated but extremely fluid and changing.
工作范围并无明显区分,但流动性极大.
The transition into the catabolic or open wound phase of injury is often not clearly 
demarcated.
从烧伤休克期转变到分解代谢或开放伤期的界线时常是不清晰的.