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mùlù ·yīngwénjièshì ·bāo hán cí ·gèngduōjiéguǒ... yīngwénjièshì :  traffic congestion n.:  traffic jam bāo hán cí wéi bì miǎn jiāo tōng yōng jǐ duì gōng zuò shí jiān de biàngēng