- 1
Acidity is how acidic something is — how much acid it contains, or how sour and sharp it tastes. Scientists measure acidity with something called pH. In everyday talk, people mention the acidity of food or drink (like coffee or fruit, which can taste sharp or sour), and also 'stomach acidity,' which is when your stomach has too much acid and causes discomfort, like .
酸度；（胃）胃酸過多
同家族的字
- acidthe root noun/adjective — a sour, sharp chemical
原始詞典資料4 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
aciditynoun/əˈsɪd.ɪ.ti/
- 1
The quality or state of being acid.
- 2
Sourness; tartness; sharpness to the taste.
- the acidity of lemon juice
- Empty stomachs lead to acidity and leave a sour taste in the mouth.
- 3
medicinepathologysciencesExcessive acid quality, as in gastric secretions.
- 4
A caustic, sour, biting, or bitter quality.
- "What shall we call it?" he asked. "Why should you not take the chance of perpetuating your own name?" said Summerlee, with his usual touch of acidity.
- It was a brave, good speech, a speech from that staunch and strong spirit which lay behind all the acidities and angularities of the old zoologist.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。