介绍:
生词
lost and found — When people lose items in the airport, they may be brought to the lost and found. People can then go there to find an item that they lost.
boarding — A flight is boarding when passengers are getting on the airplane.
对话
A: I can't find my backpack! My credit card and passport are in it!
B: You'd better go to the lost and found to take a look! Are you boarding soon?
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