Saif
赛夫沙丘
🗣️ 情景例句
Hello, Dad.
你好， 爸爸。
How long is the ticket valid?
这车票有效期多久？
Meanwhile, his unit was lost and all records of him had been destroyed.
与此同时，他所在部队被击溃，他的所有档案材料全部毁于战火。