800 number
【电信学】受话人付费业务(指前3位数字为800的电话号码)
🧩 词语组成解析
🗣️ 情景例句
Oh, Grandpa! How exciting!
啊 ，爷爷， 你真了不起。
They called us just as we were having dinner.
当我们正在吃晚饭，他们就打电话给了我们。
Half an hour later ,she woke up and began to cry.
半小时后她醒了，哭了起来。