1. 定界：deletion n.删去(部分),删除 | delimit 定界 | delimiter 定界符

2. 911查询·英语单词

2. 定界限：delime 除石灰 | delimit 定界限 | delimitate 定界

3. 定义：delicateflutecast 细槽铸型 | delimit 定义 | delimitation 定界

1. 确定…的界限;限定;划定…的边界
    If you delimit something, you fix or establish its limits.

    e.g. This is not meant to delimit what approaches social researchers can adopt.
           这并不是为了限制社会研究人员所能采用的方法。

1. set, mark, or draw the boundaries of something

    Synonym: demarcatedelimitate

2. determine the essential quality of

    Synonym: specifydefinedelineatedelimitate

3. be opposite to
    of angles and sides, in geometry

    Synonym: subtend