phone
/foʊn/
electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds
中文释义：电话；手机
She left her phone on the bus and had to retrieve it from the lost and found.
她把手机落在公交车上，不得不去失物招领处取回。
Smartphones have become an essential tool for communication and entertainment.
智能手机已成为沟通和娱乐的重要工具。