The people at the party were worried about Janet because no one was aware of where she had gone.
参加聚会的人们都为珍妮物担心,因为没人知道她去哪里了。
The city was equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.
城里甚至还敷设了排水系统,因为在狭窄的街道底下发现了许许多多陶土制作的排水管道。