易混淆的单词： Bacteria

Recycling is so important that even bacteria do it .

循环是如此重要以至于连细菌都需要。

This food provides fuel for the bacteria in plaque .

食物为菌斑中的细菌提供了营养。

Sir alexander flemingnoticed that a growth of mold in a petri dish resisted bacteria .

亚历山大弗莱明爵士注意到一个培养皿中的培养霉能抵抗细菌。

Other bacteria are more gracious guests .

口腔中的另细菌则是彬彬有礼的客人。

But not all bacteria are bad .

但是，不是所有的细菌都有害。