hypermelanic

例句：

1. 1. The patient's skin was hypermelanic, making it difficult to distinguish between the normal and abnormal tissue.
   患者的皮肤是黑色素过度的，这使得正常和异常组织难以区分。
2. 2.The scientist discovered a new species with hypermelanic eyes that could adapt to different lighting conditions.
   科学家发现了一种拥有黑色素过度眼睛的新物种，这种眼睛能够适应不同的光照条件。
3. 3. The artist applied a layer of paint to the canvas, creating a hypermelanic effect that added depth andtexture to the painting.
   艺术家在画布上涂了一层颜料，创造了一种黑色素过度的效果，为画作增添了深度和纹理。