This is the 1644th most frequent Chinese word.
自动
"Automatic; self-initiated."
The word '自动' describes the machine's capability to operate without manual intervention.
这个机器可以自动运行。
This machine can operate automatically.
Here, '自动' implies a self-initiating action without external prompting.
他总是自动承担额外的责任。
He always takes on extra responsibilities voluntarily.
In this sentence, '自动' characterizes the ATM's function of working independently to assist users.