单词	look after machine
释义	look after machine 看管机器
随便看	discriminating ringing system discriminating ring system discriminatings discriminating satellite exchange discriminating selector discriminating selector repeater discriminating sign discriminating solution discriminating switch discriminating tariff discriminating tariffs discriminating tax discriminating taxation discriminating the mistake discriminating threshold discriminating tone discriminating unit discriminating voltage discrimination discrimination about historical literature discrimination accuracy discrimination achievements discrimination against Discrimination against Blacks is still common discrimination against employment