1、lose color in the process of being washed.
在洗的過程中掉色了。

2、Patients also lose color perception and recognizing faces becomes difficult in this stage.
患者也失去顏色的看法，并認識到面臨的困難在這一階段。

3、lose color or turn colorless.
失去顏色或變得沒有顏色。

lose color翻譯