a. 机器般的

[ adj ]
resembling the unthinking functioning of a machine
<adj.all>
an automatic `thank you'machinelike efficiency

machinelike \machinelike\, machine-like \machine-like\adj.
behaving in an unthinking manner, like the functioning of a
machine; as, machine-like fools.

Syn: automatic, automaton-like, automatonlike, machinelike,
robotlike.
[WordNet 1.5]