acid

柯林斯詞典

1. N-MASS An acid is a chemical substance, usually a liquid, which contains hydrogen and can react with other substances to form salts. Some acids burn or dissolve other substances that they come into contact with. 酸
...citric acid. …檸檬酸。
2. ADJ An acid substance contains acid. 酸性的
These shrubs must have an acid, lime-free soil. 這些灌木必須要有酸性、無石灰的土壤。
3. acidityN-UNCOUNT 酸性[oft N 'of' n]
...the acidity of rainwater. …雨水的酸性。