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This cheap knife dulls easily.这把便宜的刀容易变钝.Watching television dulls one's wits.看电视能使人头脑迟钝.A cold dulls sb.'s taste.伤风使某人失去 辨别 滋味的能力....
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v.使变钝( dull的第三人称单数 )，使（兴趣、痛苦等）减少，使麻木，使晦暗...
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This cheap knife dulls easily.这把便宜的刀容易变钝.A cold dulls sb.'s taste.伤风使某人失去 辨别 滋味的能力.Egotism is the anesthetic that dulls the pain of stupidity.自负是为了麻痹因为愚蠢带来痛楚的麻醉剂.Watching television dulls one's wits.看电视能使人头脑迟钝....