automatic

a. 1. (used about a machine) that can work by itself without direct human control
自動(dòng)的，以自動(dòng)裝置完成的
an automatic washing machine
一臺(tái)自動(dòng)洗衣機(jī)
2. (used about actions) done without thinking or like a machine
不經(jīng)思索的，機(jī)械的
She knew the lesson so well that her answers were automatic
她對(duì)這一課極為熟悉，能夠不經(jīng)思索隨口回答問(wèn)題。

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