基本解釋[農業(yè)科學]后備牛英漢例句雙語例句It was important to select replacement bulls of 18—month—old based on their growth and development and progeny testing in Bo—Hai Black Cattle.根據(jù)生長發(fā)育和后裔性能測定選擇18月齡后備種牛是渤海黑牛選擇的重點。replacement cattle更多例句詞組短語短語Replacement of the cattle changed 更換工作變牛了replacement cattle更多詞組專業(yè)釋義農業(yè)科學后備牛