Bacteria that thrive in a low pH, like mutans streptococci and Lactobacillus, begin to dominate.

适宜在低pH值环境中生存的细菌，例如变形链球菌和乳酸杆菌，将会占据主导地位。

Alcohol can lead to an increase in Gram-positive bacteria such as Streptococcus mutans which can lead to dental caries.

饮酒会导致变异链球菌等革兰氏阳性菌的数量增多，从而引发龋齿。

It’s believed purple nut sedge may have the ability to inhibit the growth of Streptococcus mutans.

人们认为紫色坚果莎草可能具有抑制变形链球菌生长的能力。