1. 含酒精的饮品；酒
    Drinks that can make people drunk, such as beer, wine, and whisky, can be referred to as alcohol .

    e.g. Do either of you smoke cigarettes or drink alcohol?...
           你们俩有人吸烟或喝酒吗？
    e.g. No alcohol is allowed on the premises.
           场内禁止带酒。

2. 酒精；乙醇
    Alcohol is a colourless liquid that is found in drinks such as beer, wine, and whisky. It is also used in products such as perfumes and cleaning fluids.

    e.g. ...low-alcohol beer...
           低醇啤酒
    e.g. Products for dry skin have little or no alcohol.
           用于干性皮肤的产品含酒精较少或不含酒精。