milch cow

基本解釋

They are becoming the milch cow of the family.
他們將成為家庭的財源。
Milch cow industry is one of important part of dairy industry, including breeding milch cow , raising milch cow , preventing and cure of the epidemic disease and milk production.
奶牛業(yè)是奶業(yè)系統(tǒng)的一個重要組成部分，主要包括奶牛培育、奶牛飼養(yǎng)、疫病防治和原奶生產(chǎn)四個環(huán)節(jié)。
Meanwhile using artificial soil technology we can renew and improve the quality of our existing grassland and will build new and high quality rangeland and popularize good milch cow.
應(yīng)用人造土壤技術(shù)，在恢復(fù)與提高已有草場質(zhì)量的同時，還要新建一批高質(zhì)量的牧場，我們再推廣良種奶牛。

It is also dawning belatedly on the Treasury that the days of treating transport as a convenient milch cow are coming to an end.
ECONOMIST: Transport