美國全國鐵路客運公司將首度開始對乘客的手提行李進行抽查, "Amtrak will for the first time randomly screen passengers' bags." 到大公司去應(yīng)聘往往需要經(jīng)過好幾道篩選。"Completely unsuitable candidates will be screened out during the first round," 完全不合格的候選人第一輪就會被刷下去。好的,今天我們學(xué)習(xí)的詞是screen...