Lànyòng kàngshēngsù huì pòhuài réntǐ de zhèngcháng jūnqún.
Overusing antibiotics can disrupt the body's microbiome.
Tips
memory
Build it up: 正常 (zhèngcháng) = 'normal', 菌 (jūn) = 'bacteria/microbe', 群 (qún) = 'group/community'. The 'normal microbe community' — the friendly bacteria that should be there.
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Medical/scientific term. In popular health writing you'll also see 微生物组 (wēishēngwùzǔ, 'microbiome') and 肠道菌群 (chángdào jūnqún, 'gut microbiome') — the latter has exploded in popularity with the gut-health trend.
