The toothed bars are capable of draining rainwater on the external wall so as to prevent rain water from permeating into the room through the hollow building block.

本发明所述的凸齿条能排除外侧墙面附着的雨水，可防止雨水通过空心砌块渗透到屋内。

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The light seemed to be draining out of the room, going back through the window where it had come from in the first place.

NEWYORKER: Beginners