肠道里的微生物群落会影响免疫系统,甚至可能改变人的情绪反应。Chángdào lǐ de wēishēngwù qúnluò huì yǐngxiǎng miǎnyì xìtǒng, shènzhì kěnéng gǎibiàn rén de qíngxù fǎnyìng.The microbial community in the gut affects the immune system and may even alter emotional responses.
酸奶里的微生物可以帮助肠胃消化食物。Suānnǎi lǐ de wēishēngwù kěyǐ bāngzhù chángwèi xiāohuà shíwù.The microorganisms in yogurt can help the gut digest food.
土壤中的微生物把落叶分解成植物需要的养分。Tǔrǎng zhōng de wēishēngwù bǎ luòyè fēnjiě chéng zhíwù xūyào de yǎngfèn.Microorganisms in the soil break fallen leaves into nutrients that plants need.