VOA慢速英语:航空公司对飞美国航班采取新安全措施

check-in - n. the act or process of reporting that you have arrived at a hotel, an airport, etc.

CT scanners - n. A computed tomography scan uses X-rays to make detailed pictures of structures inside of the body.

baggage - n. the bags, suitcases, and personal things that a person carries when traveling

boarding - n. to get into or onto something

gate - n. an area at an airport where passengers arrive and leave

interviews - n. a meeting at which people talk to each other in order to ask questions and get information

pre-screening - n. to examine people or things in order to decide if they are suitable for a particular purpose