circumference

圆周；周长；胸围英释nnthe distance or measurement around the outside of a circle or any round shape

1 waist circumference,腰围

2 chest circumference,胸围

3 head circumference,头围

4 hip circumference,臀围

1 ...a scientist calculating the Earth's circumference..…一位正在计算地球周长的科学家。