1.Passengers now have to go through double screening before getting on their planes.
旅客們登機前必須接受兩次安檢掃描。
2.Please hurry up to pass security check. Now it’s boarding.
請您趕快過安檢,現(xiàn)在已經(jīng)登機了。
3.You have to go through the security check.
你需要過安全檢查。
4.We are waiting in line at the security gate.
我們在機場的安全門前排隊。