Hùshi yòng tuōzhīmián zhàn le jiǔjīng, gěi wǒ de shāngkǒu xiāodú.
The nurse dipped some cotton wool in alcohol and disinfected my wound.
Tips
memory
脱脂 "with the fat removed" + 棉 "cotton". Raw cotton is waxy and sheds water; boiled free of its natural oils, it soaks liquid up. Everyday speech usually says 药棉 (medical cotton) or just 棉花.
