Noun:

1. a grand and imposing entrance (often extended metaphorically);

   "the portals of the cathedral"
   "the portals of heaven"
   "the portals of success"
   

2. a site that the owner positions as an entrance to other sites on the internet;

   "a portal typically has search engines and free email and chat rooms etc."
   

3. a short vein that carries blood into the liver

thresholdn.门槛；开端；界限；入口

entrancen.入口；进入；登场；进入权vt.使入迷；使狂喜

gatewayn.门；通路

entryn.进入；进入权；入口；条目

doorn.门；门口；途径

gaten.大门；登机门；出入口；门票收入；<古>道路；<方>方式v.<英>惩罚(禁止学生离校)；解雇suf.常表示政治丑闻

doorwayn.门口

porchn.门廊

porticon.柱廊；门廊

entrywayn.入口

entrancewayn.入口；大门

windown.窗户；橱窗；视窗

openingn.开口；开始；张开；开幕；空缺adj.开头的动词open的现在分词.

mouthn.嘴；口；开口；河口v.不出声说；装腔作势地说；喃喃地说

outletn.出路；出口；通风口；批发商店，经销店

portal veinn.门静脉

portal site入口站点

vena portae门静脉

hepatic portal vein肝门静脉

1. I think they are standing at the portals of happiness now.
   我认为他们现在是站在通向幸福的路口了。
2. The portal of the mansion looks magnificent.
   这座大厦的正门看上去富丽堂皇。
3. There were no tumor thrombi in the main portal vein.
   门静脉主干内未及癌栓。
4. Normal liver tissue with a portal tract is seen on the left.
   左侧为具有门静脉分支的正常肝组织。
5. The client sends a request to the portal.
   客户端将请求发送到门户。

1. The first case of portal vein aneurysm was reported in 1956.
   有关第一例门静脉瘤的报导发表于1956年。