Flu,Fluc,Flux-flow
Air,water,molasses,and milk are all fluids.
空气，水，糖蜜及牛奶都是液体。
During November,the military situation situation remained fluid,with advances and retreats by both sides.
十一月份的时候，战况不大稳定，双方皆有前进及后退。
When prices are in a state of flux,many buyers delay purchases until conditions are more settled.
物价波动时，许多购买者皆延迟采购，直到状况稳定一点为止。
The discovery of gold in California in 1848 caused a large influx of settles from the East.
加州在1848年发现黄金以后，引来大批东部移民的流入。
Recently the price of a pound of tomatoes has fluctuated from a high of 45 cents to low of 2 cents.
近来一磅蕃茄的价格在最高价四十五分与最低价二十九分之间波动者。
Do you have to grope for words,or are you a fluent speaker?
你得思考如何用字，还是你是一位流利的演说者。