3 description: Bootstrap 中文文档
4 url: http://v4.bootcss.com/
8 description: Bootstrap 4 中文文档教程
13 description: Bootstrap 4 日本語リファレンス
14 url: http://bootstrap4.jp/
16 - name: Brazilian Portuguese
18 description: Bootstrap 4 Português do Brasil
19 url: https://bootstrapbrasil.github.io/v4/