effervescency
冒泡;沸騰;愉快
Ef·fer·ves·cence Ef·fer·ves·cen·cy n. A kind of natural ebullition; that commotion of a fluid which takes place when some part of the mass flies off in a gaseous form, producing innumerable small bubbles; as, the effervescence of a carbonate with citric acid.
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