7. The average breast weighs one pound 乳房平均重1斤左右

The average breast weighs about 0.5 kilograms (1.1 lb). Each breast contributes to about 4-5% of the body fat and thus 1% of the total body weight of an average woman.

女性的乳房平均重0.5公斤左右。每个乳房的脂肪占体脂肪的大约4%至5%，重量大约是体重的1%。