名词

1.连续的改变；不稳定的状态，不断的变动；不停的变化

2.通量；流动

英语解释

become liquid or fluid when heated

move or progress freely as if in a stream

excessive discharge of liquid from a cavity or organ (as in watery diarrhea)

the rate of flow of energy or particles across a given surface

a flow or discharge

a state of uncertainty about what should be done (usually following some important event) preceding the establishment of a new direction of action

(physics) the number of changes in energy flow across a given surface per unit area

mix together different elements

a substance added to molten metals to bond with impurities that can then be readily removed

the lines of force surrounding a permanent magnet or a moving charged particle

in constant change