lose colour的用法和樣例：
例句
- Wines heavily saturated with tannins will lose colour over time due to this polymerisation of anthocyannins and tannin.
隨著時間的推移，飽含單寧的酒也會失色，原因就在於花青素與單寧的這種聚合反應會導致單寧的沉澱。 - Her eyes were shining brilliantly, but her face had lost its colour within twenty seconds.
她的眼睛晶瑩明亮，可是她的臉在二十秒鐘之內卻失色了。 - The colour in this silk material will not fade.
這種綢布料子不會褪色。 - The colour of the red flag has been dulled by age.
那面紅旗因年深日久而褪色了。
