他们用手机通信。
Tāmen yòng shǒujī tōngxìn.
English
They communicate by phone.
to correspond
to correspond (by letter, email etc); to send or receive messages through telecommunications
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
他们用手机通信。
Tāmen yòng shǒujī tōngxìn.
They communicate by phone.
通信工具坏了怎么办?
Tōngxìn gōngjù huài le zěnme bàn?
What if the communication tools break down?
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.