automatic /ˌɔːtəˈmætɪk/ star3 CET4 TEM4 (automatics)

• 1.  

  ADJ（形容词） An automatic machine or device is one that 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. (机器或装置) 自动的

  例：

  Modern trains have automatic doors.

  现代火车都有自动门。

• 2.  

  ADJ（形容词） An automatic weapon is one that keeps firing shots until you stop pulling the trigger. (武器) 自动的 [ADJ n]

  例：

  Three gunmen with automatic rifles opened fire.

  3名手持自动步枪的歹徒开了火。

• 3.  

  N-COUNT（可数名词） Automatic is also a noun. 自动枪

  例：

  He drew his automatic and began running in the direction of the sounds.

  他拔出自动枪，朝发出声音的方向跑去。

• 4.  

  ADJ（形容词） An automatic action is one that you do without thinking about it. (行动) 无意识的

  例：

  All of the automatic body functions, even breathing, are affected.

  所有无意识的身体功能，甚至呼吸，都受到影响。

• 5.  

  ADV（副词） automatically 无意识地

  例：

  You will automatically wake up after this length of time.

  你将在这段时间之后自然醒来。

• 6.  

  N-COUNT（可数名词） An automatic is a car in which the gears change automatically as the car's speed increases or decreases. 自动换档汽车