🧩 词语组成解析
邮政汇票
🗣️ 情景例句
Throughout my education.
学生时代。
I'm sorry, sir. I didn't mean it.
对不起，老兄，我并没有恶意。
We can also use satellites to help us make telephone calls to foreign countries.
我们也能利用卫星帮助我们打国际电话。