彼此
在线英汉词典

each other的短语、例句：

each other (used only as the object of a v or prep 仅用作动词或介词的宾语) the other one, reciprocally 互相; 彼此
Paul and Linda helped each other, ie Paul helped Linda and Linda helped Paul. 保罗和琳达互相帮助.
We write to each other regularly. 我们彼此经常通信. Cf 参看 one another (one3).