a.

1. 尖酸的
2. 劇烈的；有腐蝕性的

n.

1. 金屬腐蝕劑
2. 金箔黏著劑
3. 媒染劑

vt.

1. 用媒染劑處理

adj.

n.

1. a substance that combines with a dye or stain and thereby fixes it in a material.
   ▸an adhesive compound for fixing gold leaf.
2. a corrosive liquid used to etch the lines on a printing plate.

v.