基本解釋(家畜)乳房炎同根派生 gerget相關(guān)詞英漢例句Isolation and identification of Bacillus thuringiensis in milk from cows with inapparent gerget 隱性乳腺炎乳牛乳樣中蘇云金芽孢桿菌的分離與鑒定gerget更多例句