"This is when you see more age spots, sun spots, and discoloration," says Graf.

“这是当你看到皮肤上更多的老年斑，晒斑和暗斑的时候，”格拉芙说。

youdao

Slight precipitation and discoloration have no effect on its quality. Shake its bottle before using it.

稍有沉淀及变色，摇匀后使用，不影响质量。

youdao

In patients with haematomas besides the status of pain, the extension and discoloration of the effusions were assessed.

血肿患者除了疼痛的程度，还评估了渗出的范围和色泽。

youdao

Over time, however, manganese exacerbates tarnish and discoloration.

FORBES: NO PEEPING WITHOUT PERMISSION

You are correct that poor circulation can cause both conditions, although it's also possible that your numbness and nail discoloration are not related.

CNN: Does my numb leg mean I have a circulation problem?

Officials had noticed that local trees seemed to be under attack, showing damage such as cracks, discoloration and tissue deterioration.

FORBES: Wi-Fi Might Not Kill Trees After All