byatinthewindowbyatin+window分别表什么意思?具体一些,

Question

by at in the window
by at in +window分别表什么意思?具体一些,

Answer 1

1)by the window 在窗口旁边
He stood by the window (他站在窗口旁边)
2)at the window ledge 在窗台
Where is the cactus?（仙人掌在哪儿?)
It is at the window ledge.(在窗台）
3) In the window 在窗口里 (没有逻辑o.,through the window 就有)
Through the window 窗口的另一端
I saw him through the window 我透过窗口看见他