acidulate meaning in English

vt.
使带酸性，酸化。

Still the same acidulated voice , only that now it tickled the public in the right quarter so deftly that momentarily it caused them to give a little shiver of pleasure
她的声音总是那么酸溜溜的，不过，现在她掌握了观众的胃口，她能使观众兴奋得不时发出轻轻的颤抖。
Time , in her flight , drops these fine old feathers . they discussed the collieries . clifford s idea was , that his coal , even the poor sort , could be made into hard concentrated fuel that would burn at great heat if fed with certain damp , acidulated air at a fairly strong pressure
克利福的意思，以为他的煤炭的品质给纵令不佳但是可以做成一种集中燃料，这种燃料如果加以某种带酸的湿空气，好好强压起来，是能够发出很大的热力的，很久以来，人们已注意过这种事实了。