aldehydes

"Aldehydes" 的音标为 [ˌældɪhaɪdz]，翻译为“醛类”。

速记技巧：使用首字母来记：A代表醛（aldehyde）的“醛”字拼音的首字母，D代表“类”的拼音首字母。

请注意，以上内容仅供参考，如有需要，建议咨询专业人士。

Aldehydes，即醛类化合物，其英文词源可以追溯到拉丁语中的“aldea”，意为“醛”，而“hidro”则表示“氢”。

变化形式包括：

1. aldehyde - 醛基，是醛类化合物的基本组成部分，常用于有机化学中表示醛类化合物的特征结构。

2. alcohol - 醇类，是由羟基与烃基相连的化合物，与醛类化合物在性质上相似。

3. acid - 酸，是由羧基与烃基相连的化合物，与醛类化合物在性质上相反。

相关单词：

1. acetone - 丙酮，是一种无色、易挥发的有机化合物，具有特殊的刺激性气味，可以与醛类化合物反应生成其他化合物。

2. methanol - 甲醇，是一种无色、具有特殊气味的液体，具有毒性，可以与醛类化合物反应生成其他醇类化合物。

3. butanal - 丁醛，是一种无色、具有特殊气味的液体，是丁醇的对应物，具有多种化学性质。

以上这些单词都是与醛类化合物密切相关的有机化合物，它们在化学、生物学和工业生产中都有广泛的应用。

常用短语：

1. aldehydes in wine

2. aldehydes in food

3. aldehydes in air

4. aldehydes in tobacco smoke

5. aldehydes in perfumes

6. aldehydes in paints

7. aldehydes in cosmetics

双语例句：

1. The smell of aldehydes is often associated with the aroma of perfumes and colognes.

2. Aldehydes are a common component of tobacco smoke and are responsible for the characteristic smell of cigarette smoke.

3. Aldehydes are also found in wine and can contribute to its unique flavor.

4. Exposure to aldehydes can cause irritation to the respiratory system and other organs.

5. The production of aldehydes is a crucial step in the chemical reactions that occur during the polymerization process.

6. The presence of aldehydes in paints and cosmetics can affect their stability and shelf life.

英文小作文：

Aldehydes are a group of organic compounds that are commonly found in nature and are produced by the degradation of organic substances such as fats and sugars. They are also produced during various chemical reactions and industrial processes. Aldehydes have a characteristic odour that is often described as pungent or sharp, and they are responsible for many of the unique flavours and odours found in food, beverages, perfumes, tobacco smoke, paints, and cosmetics.

However, aldehydes can also be harmful to human health, especially when present in high concentrations or for prolonged periods of time. Exposure to aldehydes can cause irritation to the respiratory system and other organs, and they can also be carcinogenic in high doses over a long period of time. Therefore, it is important to ensure that the levels of aldehydes present in various products are kept to a minimum, and that any exposure to them is kept to a safe level.