这么多年来，头一回有人要我出示身份证。For the first time in many years, I got carded.用电子扫描器来检验身份证。The identity cards are examined by an electronic scanner.我们外出时应随身携带身份证.We should have identification card on the person when we go out....
Direct and some metal composition chlorides of chlorine under the moist circumstance.氯在潮湿的情况下直接与某些金属合成氯化物.Chlorides are considered as compounds consisting of one element combined with chlorine.氯化物被认为是一种元素与氯化合组成的化合物.Most ...