ethyl acetate

ethyl acetate的音标为["i:θɪl ətæsɪt]，基本翻译为“乙酸乙酯”，速记技巧为“乙酸乙酯记作‘易切’”。

Ethyl acetate，乙酸乙酯，英文名称源自希腊语“εθλιος”（ethyl），意为“土地、土壤”和“ακτιον”（aceton），意为“醋酸”。其变化形式有：ethyl acetate anhydrous（无水乙酸乙酯）、ethyl acetate in methanol（甲醇中的乙酸乙酯）、ethyl acetate solution（乙酸乙酯溶液）等。相关单词有：ethyl alcohol（乙醇）、ethyl ether（乙醚）、ethylamine（乙醇胺）、ethylenediamine（二乙烯三胺）、ethylpyrazine（乙基吡嗪）、ethylpyrrole（乙基吡咯）、ethylpyridine（乙基吡啶）、ethylpolysiloxane（乙基聚硅氧烷）等。这些单词在化学、有机化学、生物化学等领域都有广泛的应用。

常用短语：

1. Ethyl acetate in water

2. Ethyl acetate extraction

3. Ethyl acetate solution

4. Ethyl acetate mixture

5. Ethyl acetate dilution

6. Ethyl acetate concentration

7. Ethyl acetate purification

双语例句：

1. Mix 10 mL of ethyl acetate with 5 mL of water to extract the active ingredient.

2. The ethyl acetate solution is used for chemical analysis.

3. The ethyl acetate mixture is diluted with alcohol to obtain a clear solution.

4. After purification, the ethyl acetate product has a high purity.

5. The extract contains a large amount of active ingredients, which can be separated and purified by using ethyl acetate.

6. Ethyl acetate is a safe and effective solvent for organic compounds.

7. The use of ethyl acetate in the laboratory is essential for the preparation of various organic compounds.

英文小作文：

The use of organic solvents such as ethyl acetate is essential in the laboratory for the preparation of various organic compounds, such as pharmaceuticals and polymers. Ethyl acetate is a safe and effective solvent that can dissolve many organic substances and is commonly used for extraction and purification processes. It has a pleasant odor and is colorless, making it easy to identify and handle. In addition, ethyl acetate has a high vapor pressure, making it easy to evaporate, which makes it suitable for use in laboratory experiments where safety and efficiency are important. However, it should be noted that ethyl acetate is toxic and should be handled with care to avoid accidental exposure.