Constant action
[建] 恒常作用
🧩 词语组成解析
action
['ækʃən]
n. 行动，活动;功能，作用;手段;[法]诉讼;
🗣️ 情景例句
It's your birthday.
今天是你的生日。
A hero is known in the time of misfortune.
时势造英雄。
Just as that moment the train came into the station.
正在这时，火车进站了。