The snail left a trail of slime along the floor.
蜗牛在地板上留下一

。
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The oral microbiota is found in saliva, the surface of gum tissue and teeth, and in biofilms which are basically layers of goop-like material made of exopolysaccharides or EPS within which bacteria survive in a quiescent or slow-growing state.
口腔微生物群存在于唾液、牙龈组织和牙齿表面及生物膜中;生物膜是种主要由胞外多糖(EPS)组成
黏液状物质;细菌在其中处于静止或者缓慢增长状态。
According to recent studies, among the new sources of substances that appear lethal to even resistant bacteria-yet may be safe for human consumption-are insects, seaweed, the mucus on young fish, arsenic-rich dirt in Ireland and even Martian soil.
根据最近
研究,在一些新
物质来源中,昆虫、海藻、小鱼身上
黏液、爱尔兰富含砷
泥土,甚至是火星土壤,这些物质即使对具有抗药性
细菌来说也是致命
,但对人类来说可能是安全
。