Diǎnjiǔ shì jiātíng yàoxiāng lǐ de chángbèi yàopǐn.
Iodine tincture is a standard item in the home medicine cabinet.
Tips
memory
碘 is the character for iodine (the element, I). 酒 means alcohol/liquor — so 碘酒 is literally 'iodine alcohol', i.e. iodine dissolved in alcohol solution. The same 酒 appears in 酒精 (alcohol).