y常见用法:(1)表示在……旁,如by the fire 在炉火旁.(2)用于被动语态,表示“被”,如It is planted by Tom .(3)到……为止,在……以前,如We can get the books by Monday .(4)依照,依据,如By your theory ,...
y常见用法:(1)表示在……旁,如by the fire 在炉火旁.(2)用于被动语态,表示“被”,如It is planted by Tom .(3)到……为止,在……以前,如We can get the books by Monday .(4)依照,依据,如By your theory ,...