词典释义：
(of a device or process)working by itself with little or no direct human control
（装置，流程）自动的
-
an automatic kettle that switches itself off when it boils 水烧开时会自动切断电源的自动水壶
-
calibration is fully automatic .校准完全是自动的。
(of a firearm)self-loading and able to fire continuously until the ammunition is exhausted or the pressure on the trigger is released
（武器）自动的
-
automatic weapons .自动武器。
(of a motor vehicle or its transmission)using gears that change by themselves according to speed and acceleration
（汽车，变速器）自动（变速）的
-
a four-speed automatic gearbox .四速自动变速器。
done or occurring spontaneously, without conscious thought or attention
自然而然的；不经思索的
-
automatic physical functions such as breathing 呼吸之类无意识的身体机能
-
‘Nice to meet you,’ he said, with automatic politeness .“很高兴认识你，”他自然而彬彬有礼地说道。
occurring as a matter of course and without debate
理所当然的，无可争议的
-
he is the automatic choice for the senior team .他是高级组的必然人选。
(especially of a legal sanction)given or imposed as a necessary and inevitable result of a fixed rule or particular set of circumstances
（尤指法律裁决）自动（执行）的
-
he received an automatic one-match suspension .他被自动禁赛一场。
an automatic machine or device, in particular
自动装置，尤指：
a gun that continues firing until the ammunition is exhausted or the pressure on the trigger is released
自动手枪。
a vehicle with automatic transmission
自动变速汽车。
-
automaticadj.自动的；自然而然的；不经思索的；理所当然的；自动（变速）的；无可争议的；自动（执行）的
-
automationn.自动化
"mid 18th cent.: from Greek
