Servostabilization
人工稳定
🗣️ 情景例句
C'est la vie.
生活就是如此。
Do you enjoy watching your babies grow into people?
目睹子女长大成人是一件快乐的事情吧？
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？