✅ 同义词
🗣️ 情景例句
I'm taking 19 credit hours.
我修了十九个学分。
He who makes constant complaint gets little compassion.
经常诉苦抱怨，难以博得同情。
I'm sorry. I didn't know you wanted it. What a shame!
抱歉。我不知道你想要它。真可惜！