1. Because visual inspection cannot reliably distinguish certain skin discolorations from skin cancers, dermatologists at clinics have needed to perform tests of skin tissue taken from patients. 由于肉眼检查不能识别某些皮肤变色和皮肤癌，诊所的皮肤科医生需要对病人的皮肤组织进行测试。
2. Does it have dry, flaky patches or discolorations? 是否有干燥，片状或色斑？
3. Over time, body skin becomes prone to discolorations, blotchiness, spider veins, and sun and age spots. 随着岁月流逝，身体肌肤会渐渐变得暗沉、粗糙，甚至出现肤色不均和一些色斑、。
4. I got tired of using a lot of foundation or concealer to cover my discolorations, so I gave this concentrate a try. 我已厌倦了使用大量的粉底遮瑕来进行掩盖，所以我十分专注这款产品。
5. An injury to underlying tissues or bone in which the skin is not broken, often characterized by ruptured blood vessels and discolorations. 青肿皮下组织或骨头受伤，皮肤没破损，症状是血管破裂，有淤。
