Xìjūn zài wēnnuǎn cháoshī de huánjìng zhōng róngyì fánzhí.
Bacteria multiply easily in warm, moist environments.
Tips
usage
细菌 (bacteria) vs 病毒 (bìngdú, virus) — they're different! Antibiotics work on 细菌 but not on 病毒. This distinction matters in Chinese medical contexts too.