✅ 同义词
🗣️ 情景例句
His family is a nuclear family with three generations living together under one roof.
他的家庭是三代同堂住在同一屋檐下。
I feel terrible about it.
太抱歉了。
That's international practice. We can't break it.
这是国际惯例，我们不能违背。