名詞 portal:

1. a grand and imposing entrance (often extended metaphorically)
2. a site that the owner positions as an entrance to other sites on the internet
   同義詞：portal site
3. a short vein that carries blood into the liver
   同義詞：portal vein, hepatic portal vein, vena portae

1. A shared portal from a local network into a larger information resource such as a large packet-switched information network or a mainframe computer.
   從一局部網(wǎng)到更大的信息源(例如大型包交換信息網(wǎng)或計算機主機)的一種共享入口。
2. The portal of the mansion looks magnificent.
   這座大廈的正門看上去富麗堂皇。
3. I think they are standing at the portals of happiness now.
   我認為他們現(xiàn)在是站在通向幸福的路口了。

por.tal

n.（名詞）
A doorway, an entrance, or a gate, especially one that is large and imposing.
正門，大門：入口、大門，尤指大而宏偉的
An entrance or a means of entrance:
入口或進入的手段：
例句：
the local library, a portal of knowledge.
地區(qū)圖書館，知識之門

The portal vein.
門靜脈
adj.（形容詞）
Of or relating to the portal vein or the portal system.
門靜脈：門靜脈的，門靜脈系統(tǒng)的，與門靜脈系統(tǒng)有關(guān)的
Of or relating to a point of entrance to an organ, especially the transverse fissure of the liver, through which the blood vessels enter.
肝門的：一器官入口處的，尤指肝臟的橫肌裂溝，血管從此裂溝進入肝臟

來源：
Middle English
中古英語
from Old French
源自 古法語
from Medieval Latin port3le [city gate] [from neuter of] port3lis [of a gate]
源自 中世紀拉丁語 port3le [城門] [] 源自port3lis的中性詞 [大門的]
from Latin porta [gate] * see per- 2
源自 拉丁語 porta [大門] *參見 per- 2
N., sense 3 and adj., from New Latin porta (hepatis) [transverse fissure (of the liver)]
名詞釋義3和形容詞，源自 現(xiàn)代拉丁語 porta (hepatis) [（肝臟的）肌裂溝的]
from Latin [gate]
源自 拉丁語 [大門]