基本解释(家畜)乳房炎同根派生 gerget相关词英汉例句Isolation and identification of Bacillus thuringiensis in milk from cows with inapparent gerget 隱性乳腺炎乳牛乳樣中囌雲金芽孢杆菌的分離與鋻定gerget更多例句