alum

中英词典：alum

形容词

1. The solution was treated with alum to remove impurities. (将溶液用明矾处理以去除杂质。)
2. The alum compound is commonly used in water treatment. (明矾化合物常用于水处理中。)

名词

1. She used alum to stop the bleeding. (她用明矾止住了出血。)
2. Alum is widely used in various industries. (明矾在各个行业广泛使用。)

3. The alum returned to her alma mater to give a speech. (毕业生回到母校发表演讲。)
4. The university organized a reunion for its alums. (大学为校友举办了一次聚会。)

词语辨析

alum vs aluminum

1. She used alum to stop the bleeding. (她用明矾止住了出血。)
2. Alum is widely used in various industries. (明矾在各个行业广泛使用。)

3. The soda can is made of aluminum. (这个铝罐子是由铝制成的。)
4. The aluminum foil is used for wrapping food. (铝箔用于包装食物。)

词汇扩充

alum-related terms

1. potassium alum：硫酸钾
2. ammonium alum：明矾铵
3. chrome alum：铬明矾
4. alum rock：明矾石

近义词

synonyms of alum

1. potash alum
2. aluminum potassium sulfate

反义词

antonyms of alum

1. disrupter
2. destroyer

柯林斯词典

Collins Dictionary

alum (noun)

1. A white crystalline double sulfate of aluminum: it is used as an astringent and styptic, and in dyeing and tanning. Formula: K2SO4·Al2(SO4)3·24H2O.
2. English name: potassium aluminum sulfate
3. Example sentence: Alum is used in the manufacture of glass, ceramics, and paper.

alum (noun)

1. Someone who has graduated from a particular school or university.
2. Example sentence: The alum donated a large sum of money to the university.

牛津词典

Oxford Dictionary

alum (noun)

1. A colourless astringent compound that is a hydrated double sulfate of aluminum and potassium, used in solution medicinally and in dyeing and tanning.
2. Example sentence: The alum solution is effective in treating canker sores.

alum (noun)

1. A graduate or former student of a particular school, college, or university.
2. Example sentence: The alums organized a networking event for current students.

用法

Examples of usage

1. He used alum as a mordant in his dyeing process. (他在染色过程中使用明矾作为媒染剂。)
2. She joined the alum association after graduating from the university. (她毕业后加入了校友会。)
3. The alum crystals were dissolved in water to create a solution. (明矾晶体被溶解在水中以制成溶液。)
4. As an alum of the school, he was invited to speak at the graduation ceremony. (作为该校的校友，他被邀请在毕业典礼上发言。)
5. The alum treatment helped to preserve the fruits for a longer period. (明矾处理有助于延长水果的保鲜期。)

中英例句对照

1. 将溶液用明矾处理以去除杂质。
   (The solution was treated with alum to remove impurities.)
2. 明矾化合物常用于水处理中。
   (The alum compound is commonly used in water treatment.)
3. 她用明矾止住了出血。
   (She used alum to stop the bleeding.)
4. 明矾在各个行业广泛使用。
   (Alum is widely used in various industries.)
5. 毕业生回到母校发表演讲。
   (The alum returned to her alma mater to give a speech.)
6. 大学为校友举办了一次聚会。
   (The university organized a reunion for its alums.)
7. 这个铝罐子是由铝制成的。
   (The soda can is made of aluminum.)
8. 铝箔用于包装食物。
   (The aluminum foil is used for wrapping food.)
9. 明矾是一种白色结晶性的铝酸盐，可用作收敛剂、止血剂，以及染料和制革剂。化学式：K2SO4·Al2(SO4)3·24H2O。
   (A white crystalline double sulfate of aluminum: it is used as an astringent and styptic, and in dyeing and tanning. Formula: K2SO4·Al2(SO4)3·24H2O.)
10. 明矾用于制造玻璃、陶瓷和纸张。
    (Alum is used in the manufacture of glass, ceramics, and paper.)
11. 校友向大学捐赠了一大笔钱。
    (The alum donated a large sum of money to the university.)
12. 明矾溶液对治疗口腔溃疡有效。
    (The alum solution is effective in treating canker sores.)
13. 他在染色过程中使用明矾作为媒染剂。
    (He used alum as a mordant in his dyeing process.)
14. 她毕业后加入了校友会。
    (She joined the alum association after graduating from the university.)
15. 明矾晶体被溶解在水中以制成溶液。
    (The alum crystals were dissolved in water to create a solution.)
16. 作为该校的校友，他被邀请在毕业典礼上发言。
    (As an alum of the school, he was invited to speak at the graduation ceremony.)
17. 明矾处理有助于延长水果的保鲜期。
    (The alum treatment helped to preserve the fruits for a longer period.)