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ADJ
自動的;自動化的
An automatic machine or device is one which has controls that enable it to perform a task without needing to be constantly operated by a person. Automatic methods and processes involve the use of such machines.
例句
Modern trains have automatic doors.
現代火車裝有自動門。
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N-COUNT
自動槍
An automatic is a gun that keeps firing shots until you stop pulling the trigger.
例句
He drew his automatic and began running in the direction of the sounds...
他拔出自動手槍，向聲音傳來的方向跑去。
The gunmen opened fire with automatic weapons.
歹徒用自動武器開火了。
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N-COUNT
自動擋汽車;自動變速汽車
An automatic is a car in which the gears change automatically as the car's speed increases or decreases.
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ADJ
無意識的；不假思索的
An automatic action is one that you do without thinking about it.
例句
All of the automatic body functions, even breathing, are affected.
身體所有的無意識功能，甚至呼吸，都受到影響。
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ADJ
（行為、懲罰等）必然的，當然的
If something such as an action or a punishment is automatic, it happens without people needing to think about it because it is the result of a fixed rule or method.
例句
Those drivers should face an automatic charge of manslaughter...
那些司機必然會受到過失殺人的指控。
Israel offers automatic citizenship to all Jews who want it.
以色列為所有希望獲得公民身份的猶太人敞開大門。