文学 传统媒体与新媒体结合 释 portal 门户网站 能够提供全面信息和服务的综合性网站或专业性网站。这类网站一般都具有包罗万象的海量信息内容，同时提供齐全的服务功能。
portal 入口，门架
网络与数据通信 网络应用 释文 portal 门户
- Black Codes
- Black common carp
- Black Consciousness Movement
- black crowberry
- black crucian carp, Jinxin
- blackcurrant seed oil
- Black Death
- Black Diamonds
- black-dot illusion
- Black-dragon Park of Kunming
- black drop
- black dwarf
- Black Economic Empowerment
- blackend monsquitotrap
- blackend swallowwort root
- blackening
- Blackett
- Blackett crater
- Blackett, Patrick Maynard Stuart
- black-eyed Susan
- Black-eye Galaxy
- black field
- blackfly
- Blackfoot
- Black Forest National Park