acetin的音標是["?s?t?n]，意思是乙酰基團。

速記技巧：可以嘗試使用字母或符號來速記該單詞，例如可以使用ASIN或ase tin等。不過，這需要個人的習慣和熟練程度。

Acetin的英文詞源可以追溯到拉丁語詞根“acetum”，意為“醋”。變化形式包括復數形式“acetylenes”和過去式、過去分詞形式“acetylene”。

相關單詞：

1. 乙炔（Acetylene）：化學式為C2H2，是一種無色無味的氣體，是典型的炔烴化合物。乙炔在工業上被廣泛用于氣焊和氣割，是一種重要的工業氣體。

2. 醋酸乙烯（Vacrol）：一種有機化合物，化學式為C4H6O2，通常以聚合物形式存在，如聚醋酸乙烯酯。在涂料、油墨、紡織印染等行業有廣泛應用。

3. 醋酸酯（Acetate）：一種有機化合物，化學式為C2H4O2，通常指醋酸與醇反應生成的酯類化合物。醋酸酯在涂料、粘合劑、纖維等領域有廣泛應用。

以上這些單詞都與acetin有著密切的聯系，因為它們都是由醋酸衍生出來的化合物。這些單詞在化學、化工、材料科學、涂料等領域都有廣泛的應用。此外，acetin這個詞本身也經常出現在化學教材和文獻中，用于描述乙炔這種重要的工業氣體。

常用短語：

1. Acetin cream 醋酸酯霜

2. Acetin solution 醋酸酯溶液

3. Acetin eye drops 醋酸酯眼藥水

4. Acetin ointment 醋酸酯藥膏

5. Acetin goggles 醋酸酯護目鏡

6. Acetin lens 醋酸酯鏡頭

7. Acetin adhesive 醋酸酯膠水

例句：

1. I applied some acetin cream to relieve my sunburn.

2. The doctor prescribed me some acetin solution for my infected wound.

3. I put some acetin eye drops in my eyes to relieve the pain.

4. I wore acetin goggles when doing DIY to protect my eyes from splashes of chemicals.

5. The lens of my camera is made of acetin, which is very tough and durable.

6. The adhesive used in this project is acetin adhesive, which can stick to most materials.

7. I applied some acetin ointment to my chapped lips after eating spicy food.

英文小作文：

Protecting Yourself from UV Radiation

UV radiation is a significant source of skin damage and can lead to skin cancer if not protected. Acetin cream, solution, eye drops, goggles, and adhesive are commonly used products to protect ourselves from UV radiation. For example, I applied some acetin cream to relieve my sunburn after spending a long time in the sun, while the doctor prescribed me some acetin solution for my infected wound. Wearing acetin goggles when doing DIY can protect my eyes from splashes of chemicals, and using acetin adhesive can stick to most materials and protect my project from moisture and corrosion. In conclusion, protecting ourselves from UV radiation is essential to maintaining good health and preventing skin cancer.