Janus

名词 janus:

1. (Roman mythology) the Roman god of doorways and passages; is depicted with two faces on opposite sides of his head

Ja.nus

n.Roman Mythology （名词）【罗马神话】
The god of gates and doorways, depicted with two faces looking in opposite directions.
杰纳斯：古罗马门神，被描绘为有分别朝向相反方的两个面孔
The satellite of Saturn that is fourth in distance from the planet.
土卫十：距离土星第四远的土星卫星

来源：
Latin I3nus * see ei-
拉丁语 I3nus *参见 ei-