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

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

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