lookinn.观察(顺便拜访)lookv.看；寻找；显得看起来；注视；面向n.看；样子；脸色look-ahead heuristic algorithm前向启发算法Look at our school newsletter.看看我们学校的时事通讯。look up table inverse halftoning查找表逆半调Look to your own shortcomings.注意你自己的缺点。Look into the population problem调查人口问题Look out for tripping hazards.注意会把人绊倒的危险性。look through coloured spectacles戴着有色眼镜看Look at the blackboard please.请看黑板。look upon ... as ...把 ... 看做 ...Look at the fresh cranberries.你看这些新鲜的蔓越橘。