discolouration

discolouration的音标为[dɪs,kʌlə"reɪʃən]，基本翻译为“变色；褪色”，速记技巧为：dis-表示“不，无”；colour-表示“颜色”；-ation为名词后缀。

discolouration的英文词源是：dis-（表示否定）+ colour（颜色）+ -ation（表示状态）。

discolouration的变化形式有：复数形式是discolourations，过去式是discoloured，过去分词是discoloured。

相关单词有：grey（灰色），black（黑色），blue（蓝色），green（绿色），red（红色），brown（棕色），purple（紫色），yellow（黄色），mottled（斑驳的）和spotted（斑点的）。这些单词都与颜色有关，可以用来描述不同的物体或情况。例如，grey可以用来描述天气的阴沉，black可以用来描述人的肤色，blue可以用来描述人的情绪等等。

discolouration的含义是指物体失去原有的颜色，或者指人的面色不好。这个词在英语中比较常见，特别是在描述艺术品或文物时，可以用来形容其褪色或变色。

常用短语：

1. skin discolouration

2. bruise discolouration

3. pigmentation disorder discolouration

4. post-inflammatory discolouration

5. ageing skin discolouration

6. post-surgical discolouration

7. sunspot discolouration

例句：

1. Her face shows signs of long-term sun exposure, with skin discolouration and ageing skin.

2. The accident left a post-inflammatory discolouration on his arm that still hasn"t faded after several weeks.

3. The operation went well, but there was some post-surgical discolouration that needs to be addressed.

4. The bruise on her leg has left a deep purple discolouration that will take a while to fade.

5. She has been trying to cover up the sunspot discolouration on her face with makeup, but it just doesn"t work.

6. The loss of blood during the operation caused some pigmentation disorder discolouration that needs to be treated.

英文小作文：

Skin Discolouration: An Everyday Concerning

Skin discolouration is a common problem that affects many people. It can be caused by various factors such as sun exposure, accidents, surgery, and pigmentation disorders. Whether it is temporary or long-lasting, skin discolouration can have a significant impact on a person"s self-esteem and confidence.

For some people, skin discolouration is a temporary phenomenon that will fade over time with proper care and treatment. However, for others, it can be a more persistent issue that requires professional help and treatment. Understanding the causes and treatment options is essential to managing this common concern.

In addition to seeking professional advice, it is also important to maintain good skin care habits, including using appropriate skincare products, avoiding exposure to the sun, and getting enough rest and relaxation. By taking care of your skin, you can reduce the appearance of skin discolouration and improve your overall appearance and self-confidence.