airmail letter

1. How much does it cost to send an airmail letter to Australia?
   寄往澳洲的航空信要多少钱？
2. How long does it take to send an airmail letter to China?
   寄封航空信到中国要多长时间？
3. A notice sent by prepaid airmail letter to an address outside Hong Kong shall be deemed to have been served on the fifth day following its posting.
   通过已付空邮邮寄至香港外地址的通知，在邮寄的第五天应被视为已经送达。
4. I want t send a registered airmail letter to france.
   我想往法国寄一封航空挂号信。
5. It's 10 cents for an airmail letter to Brazil, isn't it?
   寄往巴西的航空信要十便士吧？
6. How much is an airmail letter to china?
   寄往中国的航空信件多少钱？
7. An airmail letter from here to Beijing should not take more than two days.
   从这儿寄一封航空信到北京的时间不会超过两天。
8. Yes, I want to send a registered airmail letter to China.
   哦，我想寄一封中国的航空挂号信。

noun

1. a letter sent by air mail

   Synonym:    air letteraerogramaerogramme