The depth of covert racism in my own profession frightens me.我所从事的职业中暗藏着如此深的种族主义偏见，这让我感到害怕。The deer fled to a covert.鹿逃入丛林中.Religion is often made the covert of crime.宗教常成为罪恶的护庇所....
She slipped her arm under his and gave him a nudge.她挽住他的胳膊，轻轻推了他一下。McKinnon gave the wheel another slight nudge.麦金农又轻轻推了一下轮子。People began to nudge the couple into going away.人们开始劝说这两口子走开....
我们用抹布擦去了它上面的积垢.We removed the accumulated filth of years from it with a cloth - brush.积垢年深月久.The grime is too ancient.鸡舍的清洁设备和运输工具通常都会有垫料和粪便的积垢.Poultry house cleaning equipment and vehicles usually have accumulations of ...