Though the bacteria do release some useful vitamins, they also produce chemicals containing sulfur, which is responsible for the smell in flatulence.

尽管这些细菌会释放一些有用的维生素，它会产生硫化物，这也是臭气的罪魁祸首。

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Though the bacteria do release some useful vitamins, they also produce chemicals containing sulfur, which is responsible for the smell in flatulence.

尽管这些细菌会释放一些有用的维生素，它会产生硫化物这也是臭气的罪魁祸首。

youdao