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1. Oxford Dictionary

   automatic

   • IPA[ˌɔːtəˈmatɪk]

   英式

   • adj.
     (of a device or process) working by itself with little or no direct human control；(of a firearm) self-loading and able to fire continuously until the ammunition is exhausted or the pressure on the trigger is released
   • n.
     a gun that continues firing until the ammunition is exhausted or the pressure on the trigger is released；a vehicle with automatic transmission

   • noun: automatic, plural noun: automatics

2. • 釋義

   adj.

   形容詞

   • 1. (of a device or process) working by itself with little or no direct human control an automatic kettle that switches itself off when it boils calibration is fully automatic 同義詞 mechanized, mechanical, automated, push-button, preprogrammed, ... 更多computerized, electronic, robotic, unmanned, self-activating, self-regulating, self-directing, self-executing反義詞 manual, hand-operated
   • ▪ (of a firearm) self-loading and able to fire continuously until the ammunition is exhausted or the pressure on the trigger is released automatic weapons
   • ▪ (of a motor vehicle or its transmission) using gears that change by themselves according to speed and acceleration a four-speed automatic gearbox
   • 2. done or occurring spontaneously, without conscious thought or attention automatic physical functions such as breathing ‘Nice to meet you,’ he said, with automatic politeness 同義詞 instinctive, involuntary, unconscious, reflex, knee-jerk, ... 更多reflexive, instinctual, subconscious, unconditioned, spontaneous, impulsive, unthinking, unpremeditated, unintentional, unintended, unbidden, unwitting, inadvertent, mechanical, habitual, informalgut反義詞 conscious, intentional, deliberate
   • ▪ done or occurring as a matter of course and without debate he is the automatic choice for the senior team
   • ▪ (especially of a legal sanction) given or imposed as a necessary and inevitable result of a fixed rule or particular set of circumstances he received an automatic one-match suspension 同義詞 inevitable, unavoidable, inescapable, unpreventable, necessary, ... 更多ineluctable, certain, definite, undoubted, assured, obvious, mandatory, compulsory

   n.

   名詞

   • 1. a gun that continues firing until the ammunition is exhausted or the pressure on the trigger is released the rapid fire of automatics
   • 2. a vehicle with automatic transmission a Mercedes 300SL five-speed automatic
   • 3. a mode of operation in which a particular function of a piece of equipment is performed automatically rather than manually the majority of users of this type of camera will shoot in automatic