午餐之后要做的清扫工作比平时略多。After lunch there was a little more clearing up to do than usual.清扫工正在打扫房间.The sweeper is cleaning the room.布满烟灰的烟囱需要合格的烟囱清扫工去清扫.A chimney filled with soot requires the services of a qualified chimney sw...