我120斤怎么说用英语

If you want to express your weight in pounds in Engpsh, you can say "I weigh 120 pounds." This is the equivalent of approximately 54 kilograms. It's important to note that in the United States, weight is typically measured in pounds, while in many other countries it is measured in kilograms. If you want to express your weight in kilograms, you can say "I weigh 54 kilograms."