Just then a security guard standing by a window sees it.
就在这时，站在窗旁的保安见到了。
The guard forbade us to look out of the window when the train was moving.
火车开动时，乘警不许我们将头伸出窗外看。
Join us please, our home is done is window of new-style guard against theft!
请插手我们，我们家做得是新类型防盗窗！
Join us please, our home is done is window of new-style guard against theft!
请插手我们，我们家做得是新类型防盗窗！
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