除去石灰質
Decalcify \De*cal"ci*fy\, v. t. [imp. & p. p. {Decalcified}; p. pr. & vb. n. {Decalcifying}.] To deprive of calcareous matter; thus, to decalcify bones is to remove the stony part, and leave only the gelatin.
decalcify v 1: lose calcium or calcium compounds 2: remove calcium or lime from; "decalcify the rock" [ant: {calcify}] [also: {decalcified}]