1. 分叉：bran-new 全新的 | branch off 分叉 | branch out 长出枝条

2. 分支：branch 分支支管 | branch-off 分支 | branched system 馈线式

3. branch off是什么意思

3. 分支;转驳设施：box culvert 箱形暗渠 | branch off 分支;转驳设施 | branch sewer 分支污水管

4. branch off是什么意思

4. 分岐：branch of insurance 保险类别 | branch off 分岐 | branch office 分公司

1. 分叉；分岔；（在某处）改变方向
    A road or path that branches off from another one starts from it and goes in a slightly different direction. If you branch off somewhere, you change the direction in which you are going.

    e.g. After a few miles, a small road branched off to the right...
           过了几英里，右侧出现一条小岔路。
    e.g. She branched off down the earth track.
           她改变路线，沿着土路走了下去。