B1 互相,彼此
each other
They gave one another presents when they met at the airport. 他们在机场见面时互赠了礼物。
They are competing with one another to seize power.
I encourage my students to interact with one another in class.
The two male hippos sometimes fight and cut one another with their long teeth.
The adventure scenes start to blur into one another after a while.
See also: another (DIFFERENT)