This is a keyboard trap, because users cannot move the focus to a new window using only the keyboard.
这就是一个键盘陷阱，因为用户无法只用键盘就将焦点移到新窗口中。
2
This is a keyboard trap, because the user cannot focus on the window using the keyboard only.
这就是一个键盘陷阱，因为用户无法只用键盘就将焦点移到新窗口中。
3
Entering through a window to avoid the likely booby trap, they approached the front door from inside and found attached to it the expected explosive charge set to go off when the door was moved.