The deficiency may show as a purplish discoloration in seedlings .
营养不良可能表现在树苗变为浅紫色。
Fluorosis can cause tooth discoloration or surface irregularities .
氟中毒会导致牙齿变色或表面缺陷。
The eyes and fingernails show only slight discoloration .
眼球和指甲仅仅只有少量的变色。
Adverse effects include temporary skin irritation and allergy , hair breakage , skin discoloration and unexpected hair color results .
副作用包括短暂的皮肤刺激和过敏症、头发受损、皮肤变色和意想不到的头发颜色结果。
Excessive sun light exposure of the root aboveground level would result in greenish discoloration near the top end due to chlorophyll photo-pigment deposition .