当我们走路时，我们看着清洁窗户的人用暖水清洗华盛顿的窗户。
While we were walking, we were watching window washers wash Washington's Windows with warm washing water.
当我们走路时，我们看着清洁窗户的人用暖水清洗华盛顿的窗户。
While we were walking, we were watching window washers' wash Washington's windows with warm washing water.
当我们走路时，我们看着清洁窗户的人用暖水清洗华盛顿的窗户。
While ewe were walking, we were watching window washers wash Washington's windows with warm washing water.
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