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1·A discolored spot, smudge, or area; a stain.

变色点，污渍，污处，污迹。

2·Then the skin can become thick and discolored.

皮肤随之变得厚而无色泽。

3·There are some discolored areas inside on his tongue.

他舌头里边有些地方颜色怪怪的。

4·There are some discolored areas inside on My tongue.

我舌头里边有些地方颜色怪怪的。

5·They can be large or small, hollow or solid, clear or discolored.

它们或大或小，或空心或实心，或透明或变色。

6·The nail can be discolored and appear in a range from white to brown.

钉子可以变色，并出现在一个由白色至褐色。

7·So, I uncovered his feet and his feet were swollen badly and discolored.

于是，我掀开了盖在他脚上的布。

8·Something is wrong with our water. It is discolored and has a strange smell.

本公司的自来水问题，水色污浊且有股怪味。

9·Frequently, early in the disease, the skin is discolored by a marked erythema.

常在疾病早期，皮肤因有明显的红疹而变色。

10·An acidic chemical reaction is produced which turns the paper brittle and discolored.

会出现一种酸性化学反应。这种反应会使纸变脆和褪色。