自动
Basic Meaning
adv
Describes an action done by a person without external prompting. Usually implies willingness.
voluntarily; of one's own accord
自己主动。
Words:
自动参加自动帮忙
Synonyms:
自愿主动自行
Antonyms:
劝诱强迫被动被迫
Sentences:
- 他自动参加了志愿者活动He voluntarily participated in the volunteer activity.
- 你不用提醒他，他会自动帮忙的You don't need to remind him; he will help of his own accord.
adv
Describes a physical process or change that occurs by itself, without human force. Often used for natural phenomena or inherent reactions.
spontaneously; automatically (due to inherent nature)
指动作、变化等不由人力而由物体自身发出。
Words:
自动燃烧自动关闭水自动地往下流
Sentences:
- 窗户坏了，现在它会自动关闭The window is broken; now it closes automatically (by itself).
- 水会自动结冰。Water will freeze automatically.
adj
Describes machines or systems (doors, windows, etc.) that operate by themselves using mechanical or electronic power, without requiring human control.
automatic (mechanical)
利用机械、电力等装置自行运转，不需要人控制的。
Words:
自动门
Sentences:
- 超市入口有一个自动门There is an automatic door at the supermarket entrance.
- 这款洗衣机是全自动的This washing machine is fully automatic.