我有3件行李要托运。
对话：
Do you have any luggage to check?
有要托运的行李吗？
I want to check these 3 pieces.
我有3件行李要托运。
Sorry, your luggage is over weight. You have to pay 30 yuan.
对不起，您的行李超重了。您要付30元。
Here you are.
给你。
Here are your luggage bill and your boarding pass.
这是您的行李单和登机牌。
2.经典句型：Do I have to check this bottle of wine?
这瓶酒要托运吗？
对话：
Anything to check?
有要托运的吗？
Do I have to check this bottle of wine?
这瓶酒要托运吗？
Yes. Liquids are not allowed on the plane.
是的。液体是不允许带上飞机的。