中国大学MOOC: “Unaccompanied baggage” refers to ______.
举一反三
- 中国大学MOOC: The passengers’checked baggage is transported in the ______
- 中国大学MOOC: “Free baggage allowance” means __________.
- 中国大学MOOC: Excess baggage is charged to the airline company.
- 中国大学MOOC: Tachypnea is a form of inspiratory dyspnea unaccompanied by such clinical symptoms as constrained body position or cyanosis of the lips.
- 中国大学MOOC: （ ）pieces of baggage would you like to check in?