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
He gave them to me to hold on to them
他给我戒指， 要我自己保管，
She's a widow.Her husband died last year.
她是一个寡妇。她的丈夫去年死了。
That's fair.
那样公平。