寄往加拿大的航空信要多少邮费?

How much is the postage for an airmail letter to Canada?

寄到纽约的航空信要贴多少邮票?。

How much is an airmail letter to New York?

请用航空信方式邮寄。

Please send this letter by airmail.

我想寄封航空信到中国.

I want to send this letter to China by airmail.

我不知道是否该寄航空信？

T know whether to send the letter airmail or not.

寄航空信到香港要多少钱？

How much does it cost to send a letter to Hong Kong by airmail?

你要寄航空信还是平信？

Mr. G: Airmail, or standard mail?

我寄航空信了。这个多长时间？

How long will it take by airmail?

你要寄平信还是航空信?

Do you want to send ordinary mail or airmail?

一封航空信的邮资是美金五毛。

The postage for airmail is 50 cents.