English中文EspañolFrançais
operation keys /ˈəʊpən ˈɛnd ˈɹɛntʃ/ n

中文：操作键

中文 · 操作键Español · teclas de operaciónFrançais · touches de commande
Meaning：Buttons used especially to establish and interrupt communication.
▶ Start interactive picture-tap lesson

Found in these illustrated scenes（3）

Telephone terminals ATM Electronic payment terminal

‹ Browse all scenes