bluing是什么意思？

There was a gentle bluing of the skin after death.死后皮肤慢慢变青.Bluing: also blueing , any of various coloring agents used to counteract the yellowing of laundered fabrics.蓝色漂白剂: 任一种用于防止衣物泛黄的有色漂白剂....

bluing的音标：bluing的英式发音音标为：['blu:ɪŋ]bluing的美式发音音标为：['blʊɪŋ]...