易混淆的单词： FLOC

Snow left new york a floc .

离开纽约一场絮雪。

Chenzhou city shannon was floc dream factory .

郴州市梦香被絮厂。

The study quantification of floc and filamentous micro-organisms in activated slidge process .

量化活性污泥中胶羽形成菌及丝状菌之研究。