含這成分的飲料
從「那個物質」延伸到「含有那個物質的飲料」：因為這些飲料裡都有 alcohol 這成分，整類酒就用同一個字代稱。
alcoholic drinks · noun · A2
Drinks such as beer or wine that adults are not allowed to give to children.
酒類
核心畫面
At root you can think of 'alcohol' as one particular clear liquid — the substance itself. Drinks like beer and wine are simply the things that carry that substance, which is why the same word ends up naming both the chemical in the bottle and the bottle's whole category of 'grown-up drinks'.
可以想成 alcohol 底層是「某種透明的液體本身」——就是那個物質。啤酒、紅酒這些，其實只是裝著這個物質的東西；…更多收起
可以想成 alcohol 底層是「某種透明的液體本身」——就是那個物質。啤酒、紅酒這些，其實只是裝著這個物質的東西；正因為如此，同一個字才會既指瓶子裡那個化學成分，也順手指了整類「大人才能喝的飲料」。From the picture
Also in this word
the chemical · noun · A2
A clear chemical liquid that is found in some drinks and is also used to clean things and in many products.
酒精
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。
alcoholnoun/ˈæl.kə.hɒl/
- 1
chemistrynatural-sciencesorganic-chemistryAny of a class of organic compounds (such as ethanol) containing a hydroxyl functional group (-OH).
- Our stomachs and livers have an enzyme known as alcohol dehydrogenase that breaks down ethanol to make it less toxic for our bodies, said Atlanta gastroenterologist Dr. Preston Stewart.
- 2
medicinepharmacologysciencesEthanol.
- 3
Beverages containing ethanol, collectively.
- Risk is everywhere. From tabloid headlines insisting that coffee causes cancer (yesterday, of course, it cured it) to stern government warnings about alcohol and driving, the world is teeming with goblins.
- 4
obsoleteAny very fine powder.
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。