automatic

1. ADJ 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

Modern trains have automatic doors. 现代火车都有自动门。

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

Three gunmen with automatic rifles opened fire. 3名手持自动步枪的歹徒开了火。

3. N-COUNT Automatic is also a noun. 自动枪

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

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. automaticallyADV 无意识地

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 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