airmail

名词 airmail:

1. letters and packages that are transported by aircraft
2. a system of conveying mail by aircraft
   同义词：airpost

动词 airmail:

1. send or transport by airmail

1. Cargo ex pacification extremely inferior now under survey we reserve right of claim airmail sealed sample
   联合太平洋号上的货物质量极差，现正在检验之中。我们保留索赔的权力，今以航空寄上密封样本。
2. How much is the postage for an airmail letter to Canada?
   寄往加拿大的航空信要多少邮费？
3. An airmail letter to china normally cost50 cents, but this letter seem a bit thick.
   寄往中国的航空信一般是50美分，不过这封信好像厚一点。
4. Surface mail takes longer than airmail.
   普通邮件比航空邮件慢。