单词：demarcation
[医] 分界, 划界
n a conceptual separation or distinction
demarcation的用法和样例：
例句
- There is no demarcation line along the Yalu River.鸭绿江是没有界线的。
- There is no sharp demarcation between these two types.在这两种结构之间，没有明显的分界。
- If anyone oversteps the demarcation lines, execute him.凡是越出自己营地范围，进入别人营地的，都应加以惩罚。
词汇搭配
- demarcation potential分界电位,划界电位,...
- demarcation line分界线
- line of demarcation分界线
- channel demarcation航道标界
- demarcation current划界电流损伤电流,分...
- demarcation strip分隔板
经典引文
Their chief aim was to find a criterion of demarcation between sense and nonsense.
出自：B. Magee
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