航空信；航空邮笺
letter───n.信；字母，文字；证书；文学，学问；字面意义；n.（Letter）（美、英、巴西）莱特（人名）；vi.写印刷体字母；vt.写字母于
air───vt.使通风，晾干；夸耀；n.空气，大气；天空；样子；曲调；vi.通风
air gas air───空气气体空气
purloined letter───被盗信
letter to───发往……的信
letter name───字母名称
farewell letter───告别信
nasty letter───讨厌的信
drop letter───同一邮局所收发的信；<美>托人由一地带到另一地付邮的信件
thence by surface. all postal services are temporarily suspended except ordinary and registered air letter mail to berbera, borama, burao and hargeisa.───除寄往柏培拉、博拉马、布尔奥及哈尔格萨的普通及挂号航空邮件外，所有邮政服务暂时停止。
air letter sheets, please.───请给我两张航空信笺。
How much is an air letter?───航空邮件要多少钱？
How much is an air letter?───一张航空邮票多少？
is the postage for an air letter?───寄一封航空信的邮费要多少？
What is the postage for an air letter to new york?───邮寄纽约的航空邮资是多少？
What is the postage for an air-letter?───一封航空信的邮费是多少？。
express delivery service is only available for unregistered air letter - post items only───快邮服务只限于非挂号空邮邮件。
all postal services are temporarily suspended except ordinary air letter and registered air letter containing personal correspondence───除内有私人讯息的普通及挂号航空信件外，所有邮政服务暂时停止。
Our platform has no intention of 100 tickets and civil aviation industry mainstay, one of 100 central enterprises against Air letter, we are forced to whom all the acts.