udder circumference

例句：

1. 1.The farmer measured the length of the udder circumference to ensure the cow was healthy.
   农民测量了乳牛的围裙长度以确保奶牛健康。
2. 2. During calving season, it is important to measure the udder circumference to prevent mastitis.
   在产犊季节，测量乳牛围裙长度以防止乳腺炎很重要。
3. 3. She carefully checked the udder circumference of each cow before milking.
   她在挤奶前仔细检查了每头牛的乳牛围裙。