Sasd
结构化分析和结构化设计
🗣️ 情景例句
I'm glad you feel you've finally put it all together.
我很高兴你终于就绪了。
I met one of the engineers over at the television station.
我在电视公司遇到一位工程师。
Are there any children in the room?
屋子里有小孩吗？