exchange

/ɪksˈʧeɪnʤ/

chemical process in which one atom or ion or group changes places with another

Chinese meaning: 交换；置换

In an ion exchange process, calcium ions are replaced by sodium ions.

在离子交换过程中，钙离子被钠离子取代。

The exchange of electrons between atoms forms chemical bonds.

原子之间的电子交换形成化学键。