push-buttonadj.
'puʃ,bʌtən
中文adj. 按钮操作的；自动化的
词根词源
push-button (adj.)"characterized by the use of push-buttons," 1945, originally of military systems, earlier "operated by push-buttons" (1903), from push-button (n.), 1865, from push (v.) + button (n.). Earlier was press-button (1892), from the noun (1879).
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