por.tal
n.(名词)A doorway, an entrance, or a gate, especially one that is large and imposing.正门,大门:入口、大门,尤指大而宏伟的An entrance or a means of entrance:入口或进入的手段:例句:the local library, a portal of knowledge.地区图书馆,知识之门
The portal vein.门静脉adj.(形容词)Of or relating to the portal vein or the portal system.门静脉:门静脉的,门静脉系统的,与门静脉系统有关的Of or relating to a point of entrance to an organ, especially the transverse fissure of the liver, through which the blood vessels enter.肝门的:一器官入口处的,尤指肝脏的横肌裂沟,血管从此裂沟进入肝脏
来源:Middle English 中古英语 from Old French 源自 古法语 from Medieval Latin port3le [city gate] [from neuter of] port3lis [of a gate] 源自 中世纪拉丁语 port3le [城门] [] 源自port3lis的中性词 [大门的] from Latin porta [gate] * see per- 2源自 拉丁语 porta [大门] *参见 per- 2N., sense 3 and adj., from New Latin porta (hepatis) [transverse fissure (of the liver)] 名词释义3和形容词,源自 现代拉丁语 porta (hepatis) [(肝脏的)肌裂沟的] from Latin [gate] 源自 拉丁语 [大门]