The corrosive action of acid upon an etcher's metal plate.氯化氢的水溶液,一种腐蚀性强酸....

n.蚀刻师，腐蚀铜版制作者...

etcher的音标：etcher的英式发音音标为：['etʃə]etcher的美式发音音标为：['etʃə]...