“lose colour”造句，怎麼用lose colour造句

Scientists found that such melanocyte stem cells lacked a crucial enzyme that was present in similar stem cells found in the skin, which do not lose colour with age.

If I lose you,my life will lose colour.

Her terror was making her lose colour, was taking the glint out of her eyes

At the age of thirty, Mary began to lose colour.

lose colour,ie become paler