公用交换电话网

Traditional form:

公用交換電話網

Pinyin (reading):

gōngyòngjiāohuàndiànhuàwǎng

Definitions:

• public switched telephone network
• PSTN

Characters:

• 公 - fair, equitable; public; duke
• 用 - to use, to employ, to apply; use
• 交 - to connect; to deliver, to exchange; to intersect; to mix
• 换 - to change; to exchange, to swap, to trade
• 电 - electricity; electric; lightning
• 话 - talk, speech; language, dialect
• 网 - net; network

Traditional characters:

• 公 - fair, equitable; public; duke
• 用 - to use, to employ, to apply; use
• 交 - to connect; to deliver, to exchange; to intersect; to mix
• 換 - to change; to exchange, to swap, to trade
• 電 - electricity; electric; lightning
• 話 - talk, speech; language, dialect
• 網 - net; network