All donated blood is screened for HIV.所献血液一律要经过人体免疫缺陷病毒的筛查。Unsuitable candidates were screened out.那些不合格的候选人被筛选掉了。This Game is Freeware and screened for maximum quality by Illusion Software!此游戏是免费和筛选,最高质量的幻想软件!Most of th...
Her bed was screened off from the other patients.她的病床用屏风与其他病人隔开。I judged it to be one of the worst programmes ever screened.我认为这是有史以来播出的最烂的节目之一。The company screened out applicants motivated only by money.该公司剔除了那些一心向钱看的申请...
颊窝毒蛇的毒牙是长的空心管子.The fangs of pit vipers are long, hollow tubes.只有四分之一的蛇具有毒液和毒牙.Venom and fangs are found in only a quarter of all known snakes.在蛇的进化史上,毒牙的出现是新的进步.A more recent advance in the evolutionary story of snakes i...