You see studs on lots of London front doors.

在伦敦，你能看到许多人家的大门上都装有饰钉。

柯林斯例句

Wide marble staircase opposite the front doors ( east wall ) leads up to first floor.

正对着前门 ( 东墙 ) 是通向一楼的很宽的大理石台阶.

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When the next winter came, many people put red couplets on their front doors.

当冬天来临时, 许多人在家门前贴上红色的春联.

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