美國(guó)全國(guó)鐵路客運(yùn)公司將首度開(kāi)始對(duì)乘客的手提行李進(jìn)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(guò)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(huì)被刷下去。好的,今天我們學(xué)習(xí)的詞是screen...