... 航空系统，航线，航空公司 air mail 驾驶员，领航员 air parcels 航空包里，航空邮包 air pilot ...
双语例句
1
Since then, the city has sold large plots of the former air base to other developers, while earmarking yet other parcels for future sale to help pay for the new business district.
I asked the air for the postman, my hot greetings bound parcels, printed on really cared about the postmark, the degree thermostat Express, the recipient is you.
5我托空气为邮差，把我的热腾腾的问候装订成包裹，印上真心为邮戳，度恒温快递，收件人是你。
3
When two parcels of air with different initial temperatures are mixed, the result is a mixture with a higher relative humidity.