What’s the size and weight limit for mailing a package? 邮寄包裹的大小和限重是多少？

Would you please weigh this letter for me? 请帮我称下这封信好吗？

Put the parcel on the scale, please. 请把包裹放在称上。

What’s the maximum weight allowed? 最高限重是多少？

The limit is 15 pounds per package. 每包限重15磅。

Your letter is 10 grams overweight. 你的信超重十克。

 You’ll have to pay 30 cents extra because it’s overweight. 

你必须再付30美分的超重费。

Does the letter have anything valuable in it? 信里面有贵重物品吗？

Are the contents fragile? 里面有易碎物品吗？

How do you want to send it? 你想怎么寄？

By regular mail? 寄普通邮件吗？

Do you wish to send it by air mail? 你要寄航空邮件吗？