词典释义：
the action or process of flowing or flowing out
流，涌流；流出
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the flux of men and women moving back and forth 来来往往的男男女女
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[count noun]
a localized flux of calcium into the cell. 进入细胞的局部钙流。
[count noun]
【医】 （血等体液的）流出，溢出。
(一般作
〈古〉 腹泻；痢疾。
continuous change
不断变化，波动
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the whole political system is in a state of flux. 整个政治体制飘忽不定。
【物理】 通量，能流。
the amount of radiation or particles incident on an area in a given time
辐射（或粒子）通量。
the total electric or magnetic field passing through a surface
电通量；磁通量。
a substance mixed with a solid to lower its melting point, used especially in soldering and brazing metals or to promote vitrification in glass or ceramics
（助）熔剂，焊剂。
a substance added to a furnace during metal smelting or glass-making which combines with impurities to form slag
造渣。
treat (a metal object) with a flux to promote melting
用焊（或熔）剂处理。
"late Middle English： from Latin
