我用了一天的时间用来扫地，而我哥同样花了一天的时间用来擦窗户和墙壁。
I spent a day sweeping the floor and my brother spent a day also on cleaning the window and walls.
youdao
打开任何墙壁成干擦墙！
IdeaPaint: Turn any wall into a Dry-Erase wall!
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