1. the act of participating in the celebration of the Eucharist;

   "the governor took communion with the rest of the congregation"
   

2. sharing thoughts and feelings

3. (Christianity) a group of Christians with a common religious faith who practice the same rites

1.(思想或情感的)交流，交融
communion with nature or with a person is the feeling that you are sharing thoughts or feelings with them.

e.g. ...communion with nature.
与大自然的交融
e.g. ...acommunion of souls.
心灵之交

2.(基督教的)圣餐仪式
communion is the Christian ceremony in which people eat bread and drink wine in memory of Christ's death.

e.g. Most villagers tookcommunion only at Easter.
大部分村民只在复活节的时候领受圣餐。
e.g. ...thecommunion service.
圣餐仪式