A —— Passport B —— Airline. C —— Flight D —— Conveyor belt E —— Check-in counter F —— Loading area G —— Claim cheek H —— Boarding pass I —— Security check J —— Airhostess K —— Board L —— Take off M —— Check in baggage N —— Claim the baggage O —— Land P —— Delayed Q —— Airline agent ( ) 安全检查 ( ) 拖运行李