Sdd
软件设计描述
🗣️ 情景例句
What kinds of articles have you written?
你写过一些什么样的文章？
I agree. I wish it were quicker.
是这样，我希望它能快一点。
While two detectives were keeping guard at the door, two others opened the parcel.
这时两个侦探把住门口，另外两个侦探打开了包裹。