a grand and imposing entrance (often extended metaphorically)
a site that the owner positions as an entrance to other sites on the internet
a short vein that carries blood into the liver
双语例句
用作名词 (n.)
Some Web portals, trying to be everything to everyone, have such navigational problems. 一些门户网站想要满足所有人的所有需要，就有这样的导航问题。
The flamboyant, MIT-educated entrepreneur founded and runs one of China's two biggest Internet portals, Sohu.com. 这个麻省理工学院毕业的阔气的企业家运营着中国最大的两个门户网站之一，搜狐。
