discoloration

简明释义

英[dɪsˌkʌləˈreɪʃn]美[dɪsˌkʌləˈreɪʃn]

n. 变色；污点

英英释义

单词用法

同义词

反义词

例句

1.So that the plastic can be melted down and re-molded without any discoloration!

使塑料熔化后可重新塑造没有任何变色！

2.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。

3.Water vapor aging test whether experiment: discoloration or corrosion, and the subsequent spots solderability.

水蒸气老化实验：测试是否变色或腐蚀斑点，及后续的可焊性。

4.Vitamin K is helpful in reducing discoloration and the appearance of capillaries.

维生素k能够帮助减少污点和外观毛细血管。

5.Azelaic acid, a prescription lotion used for acne, can calm discoloration and inflammation due to rosacea as well.

壬二酸，用于治疗痤疮的洗液，可以降低变色和炎症(由于酒渣鼻)。

6.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。

7.I strongly suggest you wash it in cold water to prevent discoloration.

我强力建议你用冷水洗以防止褪色。

8.Ginkgo's ability to improve blood circulation and reduce the discoloration of varicose veins.

银杏可改善血循环和减少静脉变色。

9.The artist noticed a discoloration on the canvas where the paint had reacted with the air.

艺术家注意到画布上有一处变色，是颜料与空气反应造成的。

10.He was concerned about the discoloration of his teeth after years of drinking coffee.

他担心多年来喝咖啡导致的牙齿变色。

11.After the spill, there was a noticeable discoloration on the carpet that wouldn't come out.

溢出后，地毯上出现了明显的变色，无法清除。

12.The fruit developed a discoloration that suggested it was overripe and should be discarded.

水果出现了变色，这表明它已经过熟，应该丢弃。

13.The old photograph showed signs of discoloration, indicating it had been exposed to light for too long.

这张旧照片显示出褪色的迹象，表明它暴露在光线下太久了。

作文

Discoloration is a term used to describe the change in color of an object or surface. This phenomenon can occur due to various reasons, including exposure to sunlight, chemical reactions, or even biological factors. For instance, when an apple is cut and left exposed to air, it quickly undergoes a process known as oxidation, resulting in a brownish hue. This change is a clear example of discoloration (变色), which not only affects the aesthetic appeal of the fruit but also signifies a change in its freshness and edibility.In many cases, discoloration (变色) can indicate underlying issues. For example, in the world of art conservation, a painting may exhibit discoloration (变色) over time due to environmental factors such as humidity and temperature fluctuations. Conservators often strive to understand the causes of discoloration (变色) so they can devise appropriate methods to restore the artwork while preserving its integrity.Similarly, in the field of medicine, discoloration (变色) of skin can be a symptom of various health conditions. Conditions such as bruising, jaundice, or even certain infections can lead to noticeable changes in skin color. Medical professionals often rely on the presentation of discoloration (变色) to diagnose underlying health issues. For instance, a yellowish tint to the skin may suggest liver problems, prompting further investigation.In everyday life, we encounter discoloration (变色) in many forms. One common occurrence is the fading of fabrics due to prolonged exposure to sunlight. Clothes left hanging outside for too long may lose their vibrant colors, becoming dull and lifeless. This type of discoloration (变色) is often irreversible, leading consumers to seek out new garments to replace their sun-bleached favorites.Moreover, discoloration (变色) can also affect our homes. Walls may show signs of discoloration (变色) due to water damage or mold growth, indicating a need for repairs. Homeowners must be vigilant about maintaining their living spaces to prevent such issues from worsening, as discoloration (变色) can be a sign of more serious structural problems.In conclusion, discoloration (变色) is a multifaceted concept that appears in various aspects of life, from art and health to fashion and home maintenance. Understanding the causes and implications of discoloration (变色) allows us to respond appropriately, whether that means seeking medical advice, restoring a cherished artwork, or simply replacing faded clothing. By paying attention to the signs of discoloration (变色) around us, we can better appreciate the changes that occur in our environment and make informed decisions about how to address them.

变色是一个用来描述物体或表面颜色变化的术语。这种现象可能由于多种原因发生，包括阳光照射、化学反应，甚至生物因素。例如，当一个苹果被切开并暴露在空气中时，它会迅速经历一种叫做氧化的过程，导致表面变成棕色。这种变化是discoloration（变色）的一个明显例子，它不仅影响水果的美观，还意味着其新鲜程度和可食用性发生了变化。在许多情况下，discoloration（变色）可能表明潜在的问题。例如，在艺术保护领域，一幅画作可能因环境因素如湿度和温度波动而随着时间的推移出现discoloration（变色）。修复师通常努力理解discoloration（变色）的原因，以便制定适当的方法来恢复艺术品，同时保持其完整性。同样，在医学领域，皮肤的discoloration（变色）可能是各种健康状况的症状。淤伤、黄疸或某些感染等状况都可能导致皮肤颜色的明显变化。医疗专业人员常常依赖于discoloration（变色）的表现来诊断潜在的健康问题。例如，皮肤呈现黄色可能暗示肝脏问题，从而促使进一步检查。在日常生活中，我们以多种形式遇到discoloration（变色）。一个常见的情况是，由于长时间暴露在阳光下，织物可能会褪色。长时间挂在外面的衣服可能会失去鲜艳的颜色，变得暗淡无光。这种类型的discoloration（变色）通常是不可逆的，导致消费者寻求新的衣物来替代那些被阳光褪色的最爱。此外，discoloration（变色）也可能影响我们的家居。墙壁可能因水损坏或霉菌生长而显示出discoloration（变色）的迹象，表明需要进行维修。房主必须警惕维护他们的居住空间，以防止此类问题恶化，因为discoloration（变色）可能是更严重结构问题的标志。总之，discoloration（变色）是一个多方面的概念，出现在生活的各个方面，从艺术和健康到时尚和家居维护。理解discoloration（变色）的原因和影响使我们能够做出适当的反应，无论是寻求医疗建议、恢复珍贵的艺术品，还是简单地更换褪色的衣物。通过关注周围的discoloration（变色）迹象，我们可以更好地欣赏环境中发生的变化，并就如何应对这些变化做出明智的决定。